A048357 - OEIS

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A048357

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

6, 49, 215, 651, 6651, 66367, 206020, 635959, 6651759, 21411348, 66651759, 666816649, 666651759, 6666651759, 64687340681 (list; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	LINKS	`Eric Weisstein's World of Mathematics, Triangular Number`
	CROSSREFS	`Cf. A036519.` `Sequence in context: A028308 A173011 A061429 * A027766 A097299 A104170` `Adjacent sequences: A048354 A048355 A048356 * A048358 A048359 A048360`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 1999.`
	EXTENSIONS	`a(14)-a(15) from Lars Blomberg (lars.blomberg(AT)visit.se), May 13 2011`

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Last modified February 13 15:24 EST 2012. Contains 205519 sequences.