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A036013 a(n) = smallest number >1 such that a(1)a(2)...a(n) - 1 is prime (or 1). 6
2, 2, 2, 3, 2, 4, 2, 3, 6, 4, 5, 5, 5, 10, 4, 3, 5, 8, 22, 13, 14, 2, 5, 5, 2, 20, 9, 9, 24, 5, 26, 15, 14, 25, 25, 4, 9, 30, 9, 21, 12, 11, 10, 2, 40, 19, 8, 13, 11, 50, 3, 25, 25, 8, 5, 25, 46, 19, 47, 54, 9, 13, 14, 43, 4, 24, 28, 16, 33, 25, 152, 2, 11, 22, 6, 78, 87, 7, 10, 21 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

T. D. Noe, Table of n, a(n) for n=1..300

CROSSREFS

Cf. A036012.

Sequence in context: A076709 A307774 A110021 * A256587 A249616 A307408

Adjacent sequences:  A036010 A036011 A036012 * A036014 A036015 A036016

KEYWORD

nonn,nice,easy

AUTHOR

Russell Easterly

EXTENSIONS

More terms from Erich Friedman. More terms from Jud McCranie, Jan 26 2000.

STATUS

approved

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Last modified August 18 01:14 EDT 2019. Contains 326059 sequences. (Running on oeis4.)