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A205017 Least k such that n divides the k-th difference between distinct oblong numbers. 1
1, 1, 3, 1, 2, 3, 5, 6, 4, 2, 14, 8, 20, 5, 13, 28, 35, 4, 44, 11, 26, 14, 65, 8, 17, 20, 16, 7, 104, 13, 119, 120, 23, 35, 22, 12, 170, 44, 31, 11, 209, 26, 230, 18, 40, 65, 275, 34, 39, 17, 50, 25, 350, 16, 74, 49, 61, 104, 434, 24 (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 A205018.)

CROSSREFS

Cf. A205018, A204892.

Sequence in context: A325845 A260116 A173234 * A334473 A165520 A107341

Adjacent sequences:  A205014 A205015 A205016 * A205018 A205019 A205020

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 22 2012

STATUS

approved

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Last modified December 1 11:07 EST 2021. Contains 349429 sequences. (Running on oeis4.)