G.f. A(x) satisfies 1/2 = Sum_{n=-oo..+oo} x^n * (A(x) + x^n)^(n-1).
A379763
G.f. A(x) satisfies 1/2 = Sum_{n=-oo..+oo} x^n * (A(x) + x^n)^(n-1).
Terms
- a(0) =1a(1) =8a(2) =28a(3) =80a(4) =340a(5) =2872a(6) =23272a(7) =150496a(8) =878032a(9) =5590352a(10) =40944964a(11) =308188080a(12) =2214574160a(13) =15460447160a(14) =109979357264a(15) =810265214336
External references
- oeis: A379763