A163997 - OEIS

A163997

Primes with an even number of partitions.

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

(list; graph; refs; listen; history; text; internal format)

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