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A092087
Alternating row sums of triangle A092083 (s2(7)).
2
1, 20, 505, 14090, 415654, 12706406, 398165665, 12706132610, 411175121230, 13453601230544, 444162996339226, 14772945441872060, 494426375286105640, 16635957551869533770, 562327513989662942929, 19084061209362462745826
OFFSET
0,2
FORMULA
a(n)= -sum(A092083(n, m)*(-1)^m, m=1..n), n>=1.
G.f.: (-1 +(1-36*x)^(-1/6))/(5+(1-36*x)^(-1/6)).
CROSSREFS
Sequence in context: A118552 A270578 A255492 * A008270 A130186 A130033
KEYWORD
nonn,easy
AUTHOR
Wolfdieter Lang, Mar 19 2004
STATUS
approved