Column 3 of triangle A113340, also equals column 0 of A113340^7.

A113343

Column 3 of triangle A113340, also equals column 0 of A113340^7.

Terms

    a(0) =1a(1) =7a(2) =70a(3) =889a(4) =13853a(5) =258146a(6) =5633264a(7) =141487178a(8) =4031806898a(9) =128792484219

External references