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A205003 The index j<k such that n divides s(k)-s(j), where k is the least index (A205002) for which such j exists, and s(k)=k(k+1)/2. 2
1, 1, 2, 3, 1, 2, 2, 7, 1, 1, 4, 2, 5, 1, 3, 15, 7, 2, 8, 1, 5, 3, 10, 6, 2, 4, 1, 4, 13, 3, 14, 31, 2, 6, 1, 3, 17, 7, 3, 5, 19, 2, 20, 1, 4, 9, 22, 14, 3, 7, 5, 2, 25, 1, 8, 4, 6, 12, 28, 3 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

For a guide to related sequences, see A204892.

LINKS

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

MATHEMATICA

(See the program at A205002.)

CROSSREFS

Cf. A204892, A205002.

Sequence in context: A227781 A254761 A227552 * A159956 A053839 A047896

Adjacent sequences:  A205000 A205001 A205002 * A205004 A205005 A205006

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 21 2012

STATUS

approved

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Last modified November 19 08:44 EST 2019. Contains 329318 sequences. (Running on oeis4.)