Row sums of triangle A104986, which equals the matrix logarithm of triangle A104980.

A104987

Row sums of triangle A104986, which equals the matrix logarithm of triangle A104980.

Terms

    a(0) =0a(1) =1a(2) =4a(3) =14a(4) =58a(5) =300a(6) =1886a(7) =13878a(8) =116310a(9) =1090500a(10) =11296810a(11) =128102714a(12) =1578342010a(13) =20998804576a(14) =300081098918

External references