-43008

Appears in sequences

• Binomial transform, alternating in sign, of Lucas generalized numbers S(n): S(n) = S(n-1) + S(n-2) + S(n-3), S(0)=3, S(1)=1, S(2)=3.at n=23A073314
• McKay-Thompson series of class 12f for the Monster group.at n=43A112149
• Triangle T, read by rows, where matrix power T^2 has powers of 2 in the secondary diagonal: [T^2](n+1,n) = 2^(n+1), with all 1's in the main diagonal and zeros elsewhere.at n=21A117250
• Column 0 of triangle A117250.at n=6A117251
• a(n) = (1-2n)*2^n.at n=11A143126