Expansion of g.f.: 1/(1 - x - 2*x^2 + x^3 + x^4 + 2*x^7 - 5*x^9 + 2*x^11 + x^14 + x^15 - 2*x^16 - x^17 + x^18).
A147622
Expansion of g.f.: 1/(1 - x - 2*x^2 + x^3 + x^4 + 2*x^7 - 5*x^9 + 2*x^11 + x^14 + x^15 - 2*x^16 - x^17 + x^18).
Terms
- a(0) =1a(1) =1a(2) =3a(3) =4a(4) =8a(5) =12a(6) =21a(7) =31a(8) =51a(9) =79a(10) =126a(11) =199a(12) =315a(13) =500a(14) =794a(15) =1265a(16) =2009a(17) =3202a(18) =5090a(19) =8108a(20) =12898a(21) =20533a(22) =32667a(23) =51990a(24) =82721a(25) =131631a(26) =209446a(27) =333263a(28) =530282a(29) =843764
External references
- oeis: A147622