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A130455
Final term in the rows of triangle
A130454
: a(n) =
A130454
(n,(n+1)(n+2)/2 - 1).
1
1, 1, 2, 6, 27, 175, 1523, 16744, 222792, 3482889, 62611360, 1273388483, 28925945020, 726303053021, 19985519004484, 598321182418026, 19368155278585653, 674303663351809096, 25130986416486383799
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OFFSET
0,3
COMMENTS
Row n of triangle
A130454
has (n+1)(n+2)/2 terms, where row n+1 is generated by taking partial sums of row n and then appending n+1 zeros followed by the final term in the partial sums of row n for n>=0.
LINKS
Table of n, a(n) for n=0..18.
EXAMPLE
Triangle
A130454
begins:
1;
1, 0, 1;
1, 1, 2, 0,0, 2;
1, 2, 4, 4, 4, 6, 0,0,0, 6;
1, 3, 7,11,15,21,21, 21, 21, 27, 0,0,0,0, 27;
1, 4,11,22,37,58,79,100,121,148,148,148,148,148,175, 0,0,0,0,0, 175; ...
CROSSREFS
Cf.
A130454
.
Sequence in context:
A070076
A227222
A370982
*
A005270
A308444
A277611
Adjacent sequences:
A130452
A130453
A130454
*
A130456
A130457
A130458
KEYWORD
nonn
AUTHOR
Paul D. Hanna
, May 26 2007
STATUS
approved
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Last modified April 24 16:34 EDT 2024. Contains 371961 sequences. (Running on oeis4.)