-11160
domain: Z
Appears in sequences
- Matrix inverse of triangle A022166.at n=24A135950
- Central terms of triangle A135950, the matrix inverse of triangle A022166.at n=3A135951
- Triangle T(n,k), 0<=k<=n, read by rows given by [1,q-1,q^2,q^3-q,q^4,q^5-q^2,q^6,q^7-q^3,q^8,...] DELTA [ -1,0,-q,0,-q^2,0,-q^3,0,-q^4,0,-q^5,0,...] (for q=2) = [1,1,4,6,16,28,64,...] DELTA [ -1,0,-2,0,-4,0,-8,0,-16,0,...] where DELTA is the operator defined in A084938.at n=24A157963
- Triangle read by rows generated from (x-1)*(x-2)*(x-4)*...at n=24A158474
- E.g.f. equals the real part of the series F(x) = 1 + x*F(x)^i where i=sqrt(-1).at n=6A179280
- G.f.: Product_{m>0} (1 - x^m + 2!*x^(2*m) - 3!*x^(3*m) + 4!*x^(4*m)).at n=29A293256
- a(n) = 6*5*4*3*2*1 - 12*11*10*9*8*7 + 18*17*16*15*14*13 - 24*23*22*21*20*19 + ... - (up to the n-th term).at n=9A319889