Square array A(i,j), i >= 0, j >= 0, read by antidiagonals: A(i,j) = Sum_{|X|=0..i} Sum_{|Y|=0..i} Product_{k=1..j} (1+X(k)+Y(k)), where X and Y are multi-indices of length j.
A358628
Square array A(i,j), i >= 0, j >= 0, read by antidiagonals: A(i,j) = Sum_{|X|=0..i} Sum_{|Y|=0..i} Product_{k=1..j} (1+X(k)+Y(k)), where X and Y are multi-indices of length j.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =1a(4) =8a(5) =1a(6) =1a(7) =23a(8) =27a(9) =1a(10) =1a(11) =46a(12) =176a(13) =64a(14) =1a(15) =1a(16) =77a(17) =640a(18) =800a(19) =125a(20) =1a(21) =1a(22) =116a(23) =1707a(24) =4850a(25) =2675a(26) =216a(27) =1a(28) =1a(29) =163
External references
- oeis: A358628