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A111045
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Numbers n such that P(4n) is prime, where P(m) is the number of partitions of m.
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14
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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; internal format)
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OFFSET
| 1,2
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EXAMPLE
| If n=110 then P(4*n) = 74878248419470886233 (prime).
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MATHEMATICA
| Select[ Range[19923], PrimeQ[ PartitionsP[4# ]] &] (* Robert G. Wilson v *)
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CROSSREFS
| Cf. A000041, A046063, A114165, A111389, A111045, A114166, A111036, A114167, A114168, A114169, A114170.
Sequence in context: A130444 A177697 A145849 * A020226 A175440 A111351
Adjacent sequences: A111042 A111043 A111044 * A111046 A111047 A111048
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KEYWORD
| nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Nov 11 2005
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EXTENSIONS
| a(9)-a(37) from Robert G. Wilson v (rgwv(at)rgwv.com), Nov 14 2005
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