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A048355 a(n) is base of smallest triangle containing exactly n 0's. 1
0, 24, 200, 775, 2000, 10000, 20000, 100000, 200000, 1000000, 2000000, 10000000, 20000000, 100000000, 200000000, 1000000000, 2000000000, 10000000000, 20000000000 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

LINKS

Eric Weisstein's World of Mathematics, Triangular Number

CROSSREFS

Cf. A036517.

Sequence in context: A125361 A126519 A198396 * A132458 A055857 A047659

Adjacent sequences:  A048352 A048353 A048354 * A048356 A048357 A048358

KEYWORD

nonn,base,more

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Mar 15 1999.

EXTENSIONS

a(16)-a(19) from Lars Blomberg (lars.blomberg(AT)visit.se), May 13 2011

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Last modified February 17 04:58 EST 2012. Contains 205985 sequences.