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A205009 Least k such that n divides the k-th difference between distinct central binomials coefficients. 1
1, 3, 5, 3, 2, 5, 6, 9, 5, 10, 28, 21, 15, 6, 27, 9, 8, 5, 4, 27, 21, 28, 7, 21, 10, 15, 18, 21, 14, 27, 66, 9, 28, 8, 23, 40, 38, 28, 36, 33, 13, 21, 120, 28, 40, 49, 22, 21, 23, 10, 18, 44, 27, 18, 45, 21, 28, 14, 189, 27 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

The ordering of the differences between distinct central binomials coefficients is given by A205008.  For a guide to related sequences, see A204892.

LINKS

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

MATHEMATICA

(See the program at A205010.)

CROSSREFS

Cf. A205010, A204892.

Sequence in context: A245509 A085849 A100481 * A101778 A292570 A161670

Adjacent sequences:  A205006 A205007 A205008 * A205010 A205011 A205012

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 22 2012

STATUS

approved

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Last modified August 3 05:55 EDT 2020. Contains 336197 sequences. (Running on oeis4.)