A205134 - OEIS

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A205134

s(k)-s(j), where (s(k),s(j)) is the least such pair for which n divides their difference, and s(j)=2*j^2-j, the j-th hexagonal number.

5, 14, 9, 44, 5, 30, 14, 152, 9, 30, 22, 60, 13, 14, 30, 560, 17, 90, 38, 60, 21, 22, 46, 216, 25, 78, 27, 140, 29, 30, 62, 2144, 33, 102, 105, 108, 37, 38, 39, 280, 41, 210, 86, 44, 90, 46, 94, 624, 147, 350, 51, 156, 53, 54, 165, 280, 114, 174, 118, 60

(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..60.

MATHEMATICA

(See the program at A205130.)

CROSSREFS

Cf. A205130, A204892.

Sequence in context: A334119 A205128 A292249 * A196363 A169811 A272970

Adjacent sequences: A205131 A205132 A205133 * A205135 A205136 A205137

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 25 2012

STATUS

approved