A181325 Primes that can be written as the sum of a Fibonacci number (A000045) and a triangular number (A000217).

2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 47, 53, 61, 67, 71, 79, 83, 89, 107, 113, 137, 139, 149, 157, 167, 173, 179, 191, 193, 199, 211, 223, 233, 239, 269, 277, 281, 311, 313, 331, 353, 359, 379, 383, 389, 397, 409, 419, 433, 443, 461, 467, 499, 509

Offset

0,1

Links

Table of n, a(n) for n=0..56.

Example

29 is in the sequence since 29 is prime and 29 = 21 + 8 = T(6) + F(7); 43 is not in the sequence, despite being prime, since there exist no m and n such that 43 = T(m) + F(n).

Crossrefs

Cf. A000040, A000045, A000217, A107259.

Sequence in context: A086472 A219669 A109611 * A078133 A341661 A268513

Adjacent sequences: A181322 A181323 A181324 * A181326 A181327 A181328

Keyword

nonn

Author

Jonathan D. B. Hodgson, Oct 13 2010

Status

approved