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A076200 a(n) equals the least s>0 such that n!! + s^3 is prime. 0
1, 1, 2, 2, 5, 2, 5, 2, 11, 4, 17, 8, 43, 2, 19, 2, 19, 4, 13, 32, 23, 4, 47, 2, 37, 74, 23, 86, 43, 122, 149, 128, 19, 146, 29, 226, 31, 64, 53, 2, 23, 134, 43, 268, 103, 134, 59, 64, 43, 4, 101, 16, 61, 346, 229, 278, 103, 16, 41, 64, 127, 2, 181, 302, 151, 146, 191, 262 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

CROSSREFS

Cf. A057019.

Sequence in context: A111861 A004543 A153078 * A039931 A128645 A007610

Adjacent sequences:  A076197 A076198 A076199 * A076201 A076202 A076203

KEYWORD

nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), Nov 02 2002

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Last modified February 16 15:27 EST 2012. Contains 205930 sequences.