-1931
domain: Z
Appears in sequences
- Triangular matrix, read by rows, where T(n,k) = T(n-1,k) - [T^-1](n-1,k-1); also equals the matrix inverse of A060083 (Euler polynomials).at n=29A102054
- Column 1 of A102054, the matrix inverse of A060083 (Euler polynomials).at n=6A102055
- Third column of the inverse of the triangle of polynomial coefficients P(0,x)=1, 2P(n,x)=(1+x)*[(1+x)^(n-1)+x^(n-1)].at n=12A133135
- a(n) = 7 + 12*n - 6*n^2.at n=19A157517
- Irregular array read by rows in which row n lists the integers k, in ascending order, for which there is a primitive cycle of n positive integers under iteration by the Collatz-like 3x+k function.at n=25A226619
- Autosequence preceding -A226158(n).at n=14A229054
- Autosequence preceding -A226158(n).at n=15A229054
- The c coefficients of the transform a*x^2 + (4*a/k - b)*x + 4*a/k^2 + 2*b/k + c = 0 for a,b,c = 1,-1,-1, k = 1,2,3...at n=44A229526
- Numerators of poly-Bernoulli numbers B_n^(k) with k=7.at n=2A283925
- Numerators of the partial alternating sums of the reciprocals of the unitary totient function (A047994).at n=21A379519