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A036521 Smallest triangle containing exactly n 4's. 1
45, 4465, 144453, 544446, 427444941, 414446445, 4440447441, 444344944456, 4404424444435, 1046444944404441, 14546344444444945 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

CROSSREFS

Sequence in context: A113630 A143004 A004707 * A093533 A101291 A061542

Adjacent sequences:  A036518 A036519 A036520 * A036522 A036523 A036524

KEYWORD

nonn,base

AUTHOR

David W. Wilson (davidwwilson(AT)comcast.net)

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Last modified February 14 08:58 EST 2012. Contains 205614 sequences.