A205396 Least s(k) such that n divides s(k)-s(j) for some j<k, where s(j)=ceiling(j^2/2).

2, 5, 5, 5, 13, 8, 8, 13, 32, 18, 13, 13, 18, 32, 32, 18, 18, 41, 32, 25, 50, 72, 25, 25, 50, 98, 32, 41, 61, 32, 32, 50, 41, 162, 72, 41, 50, 200, 41, 41, 113, 50, 61, 85, 50, 288, 72, 50, 50, 113, 200, 113, 61, 72, 128, 61, 98, 450, 61, 61, 242, 512, 113, 72

Offset

1,1

Comments

For a guide to related sequences, see A204892.

Links

Table of n, a(n) for n=1..64.

Mathematica

(See the program at A205394.)

Crossrefs

Cf. A205394, A204892.

Sequence in context: A286541 A078576 A256302 * A082086 A082084 A094236

Adjacent sequences: A205393 A205394 A205395 * A205397 A205398 A205399

Keyword

nonn

Author

Clark Kimberling, Jan 27 2012

Status

approved