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A176423 Numbers n with property that they are the sum of at least three different naturals in arithmetic progression. 1
3, 6, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Ray Chandler, Table of n, a(n) for n = 1..10000

Le Petit Vert (French)

CROSSREFS

Sequence in context: A293828 A110263 A022304 * A055632 A133006 A055264

Adjacent sequences:  A176420 A176421 A176422 * A176424 A176425 A176426

KEYWORD

nonn

AUTHOR

Christian Amet (chr.amet(AT)infonie.fr), Apr 17 2010

EXTENSIONS

Extended by Ray Chandler, Mar 23 2016

STATUS

approved

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Last modified October 19 12:10 EDT 2019. Contains 328219 sequences. (Running on oeis4.)