1/6 n(n+1)(n+2)
There can be no answer because a number sequence, in itself, is not a question.
The single number 37111519 does not comprise a sequence.A single number such as 37111519 does not constitute a sequence and so there can be no nth term.
You first have to figure out some rule for the sequence. This can be quite tricky.
An arithmetic sequence is a group or sequence of numbers where, except for the first number, each of the subsequent number is determined by the same rule or set of rules. * * * * * The above answer is incorrect. The rule can only be additive: it cannot be multiplicative or anything else.
1/6 n(n+1)(n+2)
first triple digit pentagonal pyramidal number is 126
It is a sequence in which the numbers represent the number of spheres in a pyramidal stack of spheres. There are a number of possible configurations for stacking spheres - a visit to fruit stalls may show you options. The square based pyramidal numbers are given by the sums of the first n square numbers. So U(1) = 1^1 = 1 U(2) = 1^2 + 2^2 = 1 + 4 = 5 and so on U(n) = 1^2 + 2^2 + ... + n^2 = n(n+1)(2n+1)/6. However, there are also triangle based pyramidal numbers and hexagon based pyramidal numbers, since these configuration also give stable stacks.
30.
pyramidal
3354435543 is a single number, it is not a sequence.3354435543 is a single number, it is not a sequence.3354435543 is a single number, it is not a sequence.3354435543 is a single number, it is not a sequence.
This describes a four-sided pyramid.
The number that occurs most in a number sequence.
There is the Morris number sequence and the Fibonacci number sequence. The Padovan sequence. The Juggler sequence. I just know the Fibonacci sequence: 0,1,1,2,3,5,8,13,21,34,55,89,144,233,377 Morris number sequence: 1 11 21 1211 111221 312211...
It is an irrational number; therefore the sequence is endless. The 'full number sequence' can never be known.
It has a lone pair.So it is trigonal pyramidal
It is pyramidal in shape.It has a lone pair.