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A134418

Row sums of triangle A134417.

1, 5, 14, 48, 152, 496, 1600, 5184, 16768, 54272, 175616, 568320, 1839104, 5951488, 19259392, 62324736, 201687040, 652673024, 2112094208, 6834880512, 22118137856, 71575797760, 231624146944, 749551484928, 2425599557632, 7849405054976, 25401208340480, 82200036900864

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OFFSET

0,2

LINKS

Andrew Howroyd, Table of n, a(n) for n = 0..1000

Index entries for linear recurrences with constant coefficients, signature (2, 4).

FORMULA

Binomial transform of A133632, assuming offset zero there.

Inverse binomial transform of A048875.

G.f.: (1+3*x)/(1-2*x-4*x^2). - Vladimir Kruchinin, May 06 2011

EXAMPLE

a(3) = 48 = sum of row 3 terms of triangle A134417: (1 + 12 + 15 + 20).