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A205380 Least s(k) such that n divides s(k)-s(j) for some j<k, where s(j)=(2j-1)^2. 2
9, 9, 25, 9, 49, 25, 81, 9, 81, 49, 169, 25, 225, 81, 121, 25, 361, 81, 441, 49, 169, 169, 625, 25, 225, 225, 225, 81, 961, 121, 1089, 81, 289, 361, 289, 81, 1521, 441, 361, 49, 1849, 169, 2025, 169, 361, 625, 2401, 49, 441, 225, 529, 225, 3025, 225 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

For a guide to related sequences, see A204892.

LINKS

Table of n, a(n) for n=1..54.

MATHEMATICA

(See the program at A205378.)

CROSSREFS

Cf. A205378, A204892.

Sequence in context: A053456 A144424 A282269 * A246035 A147340 A147499

Adjacent sequences:  A205377 A205378 A205379 * A205381 A205382 A205383

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 26 2012

STATUS

approved

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Last modified November 21 16:04 EST 2019. Contains 329371 sequences. (Running on oeis4.)