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A117798 Icosagonal numbers divisible by 20. +0
1
0, 20, 820, 1200, 3440, 4180, 7860, 8960, 14080, 15540, 22100, 23920, 31920, 34100, 43540, 46080, 56960, 59860, 72180, 75440, 89200, 92820, 108020, 112000, 128640, 132980, 151060, 155760, 175280, 180340, 201300, 206720, 229120, 234900, 258740 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A051872.

Sequence in context: A002455 A041763 A041760 this_sequence A006424 A113102 A066802

Adjacent sequences: A117795 A117796 A117797 this_sequence A117799 A117800 A117801

KEYWORD

easy,nonn

AUTHOR

Luc Stevens (lms022(AT)yahoo.com), Apr 29 2006

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Last modified November 18 20:14 EST 2008. Contains 147244 sequences.


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