A204939 - OEIS

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A204939

Least k such that n divides A130328(k-1), the k-th difference between numbers of the form 2^(k-1).

1, 3, 2, 6, 7, 5, 4, 10, 16, 12, 46, 9, 67, 8, 7, 15, 29, 23, 154, 18, 16, 57, 56, 14, 191, 80, 154, 13, 379, 12, 11, 21, 46, 38, 67, 31, 631, 173, 67, 25, 191, 23, 92, 69, 67, 68, 254, 20, 211, 212

(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..50.

MATHEMATICA

(See the program at A204979.)

CROSSREFS

Cf. A204979, A204892.

Sequence in context: A175930 A369272 A265346 * A304084 A276442 A233275

Adjacent sequences: A204936 A204937 A204938 * A204940 A204941 A204942

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 21 2012

STATUS

approved