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Search: id:A098840
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A098840 Smith triangular numbers. +0
2
378, 666, 861, 2556, 5253, 7503, 10296, 16653, 27261, 28920, 29890, 32896, 46056, 72771, 84255, 85905, 92235, 94395, 120786, 132870, 141778, 157641, 215496, 328455, 345696, 385881, 386760, 396495, 424581, 529935, 533028, 588070, 654940 (list; graph; listen)
OFFSET

1,1

EXAMPLE

a(1)=378 because 378 is a Smith number as well as a triangular number.

CROSSREFS

Cf. A006753.

Sequence in context: A030029 A064242 A116339 this_sequence A065702 A132648 A071624

Adjacent sequences: A098837 A098838 A098839 this_sequence A098841 A098842 A098843

KEYWORD

base,nonn

AUTHOR

Shyam Sunder Gupta (guptass(AT)rediffmail.com), Oct 10 2004

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Last modified July 26 23:19 EDT 2008. Contains 142293 sequences.


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