来自在线整数百科全书的问候语!http://oeis.org/ Search: id:a088160 Showing 1-1 of 1 %I A088160 %S A088160 1,2,6,30,219,2029,21951,266508,3555679,51459059,800597860, %T A088160 13299687789,234649789192,4377700776217,86042611873972, %U A088160 1775987427897604,38389651084747947,866887176020724213,20404374490338189930 %N 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). %e A088160 Table A088158 begins: %e A088160 1.1..4..25.202.1944.21356... %e A088160 1.1..2...9..58..470..4492... %e A088160 1.2..4..14..80..604..5520... %e A088160 1.3..8..25.124..862..7468... %e A088160 1.4.14..46.202.1272.10340... %e A088160 1.5.22..82.342.1944.14664... %e A088160 1.6.32.138.586.3074.21356... %e A088160 ... %Y A088160 Cf. A088158, A088159. %K A088160 nonn %O A088160 0,2 %A A088160 _Paul D. Hanna_, Sep 20 2003 %E A088160 More terms from _Ray Chandler_, 9月23日在OEIS终端用户许可协议下可用的2003μl内容:HTTP:/OEIS.Org/许可证