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A118236 Numbers that can be written as sums of at least two distinct but overlapping sets of consecutive numbers. 1
9, 15, 18, 21, 30, 35, 42, 45, 50, 55, 60, 63, 65, 70, 75, 77, 81, 84, 90, 91, 99, 105, 108, 117, 119, 126, 132, 133, 135, 140, 143, 147, 150, 153, 154, 156, 162, 165, 171, 175, 180, 187, 189, 195, 196, 198, 207, 209, 210, 216, 220, 221, 225, 231, 234, 245, 247 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A001227(a(n)) > 2.

30 = 4+5+(6+7+8) = (6+7+8)+9 with common summands = {6,7,8}, therefore 30 is a term.

LINKS

Table of n, a(n) for n=1..57.

CROSSREFS

Sequence in context: A093642 A177733 A207675 * A230306 A070876 A266419

Adjacent sequences:  A118233 A118234 A118235 * A118237 A118238 A118239

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Apr 18 2006

STATUS

approved

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Last modified October 21 01:47 EDT 2018. Contains 316405 sequences. (Running on oeis4.)