Column 0 of triangular matrix A102225, in which row k is formed from the first differences of row (k-1) of its matrix square (A102228).
A102226
Column 0 of triangular matrix A102225, in which row k is formed from the first differences of row (k-1) of its matrix square (A102228).
Terms
- a(0) =1a(1) =1a(2) =2a(3) =3a(4) =7a(5) =17a(6) =75a(7) =346a(8) =4874a(9) =49047a(10) =3009094a(11) =69540959a(12) =19266759978
External references
- oeis: A102226