Square array T(n,k) read by ascending antidiagonals: T(n,k) = (p - 1)/2*(2*(n - 1)*p^(n - 1) - (2*n - 3)*p^(n - 2)), n>=2, where p is the k-th odd prime.
A391520
Square array T(n,k) read by ascending antidiagonals: T(n,k) = (p - 1)/2*(2*(n - 1)*p^(n - 1) - (2*n - 3)*p^(n - 2)), n>=2, where p is the k-th odd prime.
Terms
- a(0) =5a(1) =27a(2) =18a(3) =117a(4) =170a(5) =39a(6) =459a(7) =1250a(8) =525a(9) =105a(10) =1701a(11) =8250a(12) =5439a(13) =2255a(14) =150a(15) =6075a(16) =51250a(17) =50421a(18) =36905a(19) =3822a(20) =264a(21) =21141a(22) =306250a(23) =439383a(24) =539055a(25) =74022a(26) =8840a(27) =333a(28) =72171a(29) =1781250
External references
- oeis: A391520