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Search: id:A094946
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A094946 Zero-one triangle sequence. +0
2
1, 1011, 10110111, 1011011101111, 1011011101111011111, 10110111011110111110111111, 1011011101111011111011111101111111, 1011011101111011111011111101111111011111111 (list; graph; listen)
OFFSET

0,2

COMMENT

Sum of n-th term digits is C(n+2,2).

FORMULA

a(n)=A094945((n+1)(n+2)/2+n)

CROSSREFS

Cf. A023532.

Sequence in context: A055473 A035125 A115769 this_sequence A158877 A159774 A072140

Adjacent sequences: A094943 A094944 A094945 this_sequence A094947 A094948 A094949

KEYWORD

easy,nonn

AUTHOR

Paul Barry (pbarry(AT)wit.ie), May 25 2004

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Last modified November 29 12:46 EST 2009. Contains 167659 sequences.


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