Triangle read by rows, T(n,k) = !n + (k-1)*(n-1)!, with n>=1, 1<=k<=n; Position of the first n-letter permutation beginning with number k in the list of lexicographically sorted permutations A030299.
A237450
Triangle read by rows, T(n,k) = !n + (k-1)*(n-1)!, with n>=1, 1<=k<=n; Position of the first n-letter permutation beginning with number k in the list of lexicographically sorted permutations A030299.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =4a(4) =6a(5) =8a(6) =10a(7) =16a(8) =22a(9) =28a(10) =34a(11) =58a(12) =82a(13) =106a(14) =130a(15) =154a(16) =274a(17) =394a(18) =514a(19) =634a(20) =754a(21) =874a(22) =1594a(23) =2314a(24) =3034a(25) =3754a(26) =4474a(27) =5194a(28) =5914a(29) =10954
External references
- oeis: A237450