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A114171 Least number m, a multiple of n, such that P(m*n) is prime, where P(k) is the number of partitions of k. 1
2, 1, 1, 1, 1, 1, 11, 21, 4, 44, 7, 3, 1, 12, 35, 81, 1429, 2, 132, 22, 8, 6, 154, 7, 21, 21, 8, 6, 29, 434, 6, 91, 4, 900, 15, 1, 126, 66, 14, 11, 122, 4, 477, 3, 481, 77, 4, 27, 15, 612, 600, 56, 4, 4, 8, 3, 44, 71, 310, 217, 6, 3, 74, 132, 333, 2, 1146, 450, 1655, 186, 58, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..72.

MATHEMATICA

Do[ PartitionsP[n], {n, 200000}]; f[n_] := Block[{k = 1}, While[ !PrimeQ[ PartitionsP[k*n]], k++ ]; k]; Array[f, 72]

CROSSREFS

Cf. A000041, A046063, A114165, A111389, A111045, A114166, A111036, A114167, A114168, A114169, A114170, A114171.

Sequence in context: A127125 A256671 A327156 * A154243 A326698 A299432

Adjacent sequences:  A114168 A114169 A114170 * A114172 A114173 A114174

KEYWORD

nonn

AUTHOR

Robert G. Wilson v, Nov 14 2005

STATUS

approved

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Last modified July 4 16:24 EDT 2020. Contains 335448 sequences. (Running on oeis4.)