Triangular matrix, read by rows, equal to [2*I - A008459]^(-1), i.e., the matrix inverse of the difference of twice the identity matrix and the triangular matrix of squared binomial coefficients.
A102220
Triangular matrix, read by rows, equal to [2*I - A008459]^(-1), i.e., the matrix inverse of the difference of twice the identity matrix and the triangular matrix of squared binomial coefficients.
Terms
- a(0) =1a(1) =1a(2) =1a(3) =5a(4) =4a(5) =1a(6) =55a(7) =45a(8) =9a(9) =1a(10) =1077a(11) =880a(12) =180a(13) =16a(14) =1a(15) =32951a(16) =26925a(17) =5500a(18) =500a(19) =25a(20) =1a(21) =1451723a(22) =1186236a(23) =242325a(24) =22000a(25) =1125a(26) =36a(27) =1a(28) =87054773a(29) =71134427
External references
- oeis: A102220