1 and 2 are.
21
No - the closest Motzkin number to 20 is 21.
No, 32 is a perfect square of nine and it is 4th Motzkin number.
Leo Motzkin died in 1933.
Leo Motzkin was born in 1867.
The population of Kiryat Motzkin is 39,600.
Kiryat Motzkin was created in 1934.
the first seven Fibonacci numbers are 1,1,2,3,5,8,13. 13 is a Fibonacci number.
The 365th Fibonacci number is 8531073606282249384383143963212896619394786170594625964346924608389878465365.
The 100th Fibonacci number is 354,224,848,179,261,915,075.
123 is not a Fibonacci number.
The twelfth Fibonacci number is 144.