

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
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OFFSET

1,1


LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000


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

Cf. A000040, A000041, A001560, A163096, A163998.
Sequence in context: A112860 A152312 A154765 * A067931 A186267 A067660
Adjacent sequences: A163994 A163995 A163996 * A163998 A163999 A164000


KEYWORD

nonn


AUTHOR

Omar E. Pol, Aug 09 2009


EXTENSIONS

More terms from Sean A. Irvine, Oct 18 2009


STATUS

approved



