A204913 - OEIS

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A204913

Least k such that n divides the k-th difference between distinct double factorials.

1

1, 2, 5, 9, 6, 5, 4, 14, 13, 14, 15, 9, 8, 7, 13, 27, 18, 20, 21, 14, 27, 65, 12, 27, 41, 16, 44, 27, 83, 20, 28, 44, 15, 18, 35, 44, 60, 38, 34, 14, 26, 27, 97, 65, 13, 12, 11, 27, 52, 54, 18, 16, 129, 44, 65, 27, 21, 109, 29, 35

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,2

COMMENTS

For a guide to related sequences, see A204892.

LINKS

Table of n, a(n) for n=1..60.

MATHEMATICA

(See the program at A204982.)

CROSSREFS

Cf. A204982, A204892.

Sequence in context: A200336 A065225 A175640 * A198455 A339174 A018878

Adjacent sequences: A204910 A204911 A204912 * A204914 A204915 A204916

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 22 2012

STATUS

approved