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A036518 Smallest triangle containing exactly n 1's. 1
1, 171, 1711, 105111, 1188111, 18111171, 1111160511, 11161151121, 111111101310, 11311511141161, 121111912011111, 11111811011411671, 11101111131911151, 11111111111113201 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

CROSSREFS

Sequence in context: A031691 A158220 A079654 * A187133 A185838 A199902

Adjacent sequences:  A036515 A036516 A036517 * A036519 A036520 A036521

KEYWORD

nonn,base

AUTHOR

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

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Last modified February 17 06:27 EST 2012. Contains 205998 sequences.