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A077369 Smallest n-digit triangular numbers whose external digits as well as internal digits form triangular number. +0
2
0, 10, 105, 1035, 19900 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Cf. A077366, A077367, A077368.

Sequence in context: A117832 A117833 A068093 this_sequence A068618 A096484 A004343

Adjacent sequences: A077366 A077367 A077368 this_sequence A077370 A077371 A077372

KEYWORD

base,easy,nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 06 2002

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.

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