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A163997
Primes with an even number of partitions.
4
2, 11, 19, 31, 47, 59, 79, 97, 101, 103, 109, 113, 131, 137, 149, 151, 163, 167, 179, 191, 197, 227, 241, 271, 307, 317, 337, 347, 353, 359, 379, 383, 397, 409, 419, 431, 439, 449, 487, 503, 509, 521, 523, 541, 557, 563, 569, 571, 577, 599, 607, 631, 641, 643
OFFSET
1,1
LINKS
EXAMPLE
11 is in the sequence because the number of partitions of 11 is equal to 56 and 56 is an even number.
MATHEMATICA
Select[Prime[Range[200]], EvenQ[PartitionsP[#]]&] (* Harvey P. Dale, Jul 01 2019 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Omar E. Pol, Aug 09 2009
EXTENSIONS
More terms from Sean A. Irvine, Oct 18 2009
STATUS
approved