A086628 - OEIS

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A086628

Antidiagonal sums of square table A086626.

2

1, 2, 3, 8, 23, 70, 230, 782, 2729, 9740, 35345, 130018, 483782, 1817450, 6884050, 26261498, 100808873, 389101464, 1509198827, 5879305034, 22993849657

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OFFSET

0,2

LINKS

Table of n, a(n) for n=0..20.

FORMULA

G.f.: A(x) = (1-x^2)/(1-x)^2 + x^2*A(x)^3.

CROSSREFS

Cf. A086626 (table), A086627 (diagonal).

Sequence in context: A006076 A263459 A261061 * A365118 A032096 A301462

Adjacent sequences: A086625 A086626 A086627 * A086629 A086630 A086631

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Jul 24 2003

STATUS

approved