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 A111045 Numbers n such that P(4n) is prime, where P(m) is the number of partitions of m. 14
 1, 9, 33, 42, 47, 53, 54, 110, 324, 534, 627, 642, 683, 728, 792, 1114, 2112, 2228, 2323, 2770, 3007, 3255, 3368, 3760, 4062, 4569, 6139, 7650, 7939, 8138, 8310, 8493, 8674, 9122, 9407, 10345, 11127, 13343, 14713, 15442, 15632, 16358, 16904, 18165, 19303 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Max Alekseyev, Table of n, a(n) for n = 1..1271 EXAMPLE If n=110 then P(4*n) = 74878248419470886233 (prime). MATHEMATICA Select[ Range[19923], PrimeQ[ PartitionsP[4# ]] &] (* Robert G. Wilson v *) PROG (PARI) is(n)=isprime(numbpart(4*n)) \\ Charles R Greathouse IV, Feb 17 2017 CROSSREFS Cf. A000041, A046063, A114165, A111389, A111045, A114166, A111036, A114167, A114168, A114169, A114170. Sequence in context: A177697 A287534 A145849 * A020226 A175440 A280405 Adjacent sequences:  A111042 A111043 A111044 * A111046 A111047 A111048 KEYWORD nonn AUTHOR Parthasarathy Nambi, Nov 11 2005 EXTENSIONS a(9)-a(37) from Robert G. Wilson v, Nov 14 2005 STATUS approved

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Last modified February 18 15:30 EST 2020. Contains 332019 sequences. (Running on oeis4.)