id:A048357 - OEIS Search Results

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a(n) is base of smallest triangle containing exactly n 2's.

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6, 49, 215, 651, 6651, 66367, 206020, 635959, 6651759, 21411348, 66651759, 666816649, 666651759 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Eric Weisstein's World of Mathematics, Triangular Number`
	CROSSREFS	`Cf. A036519.` `Sequence in context: A084259 A028308 A061429 this_sequence A027766 A097299 A104170` `Adjacent sequences: A048354 A048355 A048356 this_sequence A048358 A048359 A048360`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 1999.`

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Last modified November 24 23:16 EST 2009. Contains 167481 sequences.