id:A048356 - OEIS Search Results

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a(n) is base of smallest triangle containing exactly n 1's.

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1, 18, 58, 458, 1541, 6018, 47141, 149406, 471404, 4756366, 15563541, 149075893, 149004101, 149071198 (list; graph; listen)

	OFFSET	`1,2`
	LINKS	`Eric Weisstein's World of Mathematics, Triangular Number`
	CROSSREFS	`Cf. A036518.` `Sequence in context: A041634 A044975 A155155 this_sequence A027055 A056448 A056438` `Adjacent sequences: A048353 A048354 A048355 this_sequence A048357 A048358 A048359`
	KEYWORD	`nonn,base,more`
	AUTHOR	`Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 1999.`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.