Coefficient of x in the reduction by x^2->x+1 of the polynomial p(n,x) defined below in Comments.
A192431
Coefficient of x in the reduction by x^2->x+1 of the polynomial p(n,x) defined below in Comments.
Terms
- a(0) =0a(1) =1a(2) =4a(3) =15a(4) =52a(5) =185a(6) =648a(7) =2287a(8) =8040a(9) =28321a(10) =99660a(11) =350879a(12) =1235036a(13) =4347705a(14) =15304208a(15) =53873695a(16) =189642192a(17) =667570433a(18) =2349942420a(19) =8272149359a(20) =29119170180a(21) =102503781241a(22) =360828342424
External references
- oeis: A192431