A088160 - OEIS

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A088160

Sum of antidiagonals of square table that satisfies T(n+1,k+1) = sum(i=0,n, sum(j=0,k, T(n-i,k-j)*T(i,j) )) such that the top row and diagonal are equal: T(0,k)=T(k,k)=A088159(k).

1, 2, 6, 30, 219, 2029, 21951, 266508, 3555679, 51459059, 800597860, 13299687789, 234649789192, 4377700776217, 86042611873972, 1775987427897604, 38389651084747947, 866887176020724213, 20404374490338189930

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,2

LINKS

Table of n, a(n) for n=0..18.

EXAMPLE

Table A088158 begins:

1.1..4..25.202.1944.21356...

1.1..2...9..58..470..4492...

1.2..4..14..80..604..5520...

1.3..8..25.124..862..7468...

1.4.14..46.202.1272.10340...