id:A077370 - OEIS Search Results

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Largest n-digit triangular numbers whose external digits as well as internal digits form triangular number, or 0 if no such number exists.

+0
1

6, 66, 666, 4005, 48205 (list; graph; listen)

	OFFSET	`0,1`
	CROSSREFS	`Cf. A077366, A077367, A077368, A077369.` `Sequence in context: A119091 A119100 A119176 this_sequence A155630 A119125 A137120` `Adjacent sequences: A077367 A077368 A077369 this_sequence A077371 A077372 A077373`
	KEYWORD	`base,more,nonn`
	AUTHOR	`Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 06 2002`

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.