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A120621 Least positive k such that !n + k is prime, where !n is left factorial. 0
2, 1, 1, 1, 1, 3, 3, 3, 9, 3, 7, 9, 7, 13, 49, 27, 9, 37, 19, 33, 7, 93, 103, 9, 73, 27, 13, 27, 165, 49, 39, 93, 97, 27, 37, 39, 135, 7, 193, 249, 39, 103, 13, 33, 213, 129, 33, 13, 39, 115, 187, 19, 7, 387, 19, 489, 303, 63, 33, 235, 297, 495, 657, 465, 235, 193, 369, 129 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..67.

CROSSREFS

Cf. A003422.

Sequence in context: A196929 A258445 A129179 * A201080 A039754 A213919

Adjacent sequences:  A120618 A120619 A120620 * A120622 A120623 A120624

KEYWORD

easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Aug 17 2006

STATUS

approved

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Last modified June 29 06:39 EDT 2017. Contains 288859 sequences.