A077369 - OEIS

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A077369

Smallest n-digit triangular numbers whose external digits as well as internal digits form triangular number.

0, 10, 105, 1035, 19900 (list; graph; refs; listen; history; internal format)

	OFFSET	`0,2`
	CROSSREFS	`Cf. A077366, A077367, A077368.` `Sequence in context: A117832 A117833 A068093 * A068618 A096484 A190955` `Adjacent sequences: A077366 A077367 A077368 * A077370 A077371 A077372`
	KEYWORD	`base,easy,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 06 2002`

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Last modified February 14 08:06 EST 2012. Contains 205604 sequences.