G.f. is the polynomial (1-x^3) * (1-x^6) * (1-x^9) * (1-x^12) * (1-x^15) * (1-x^18) * (1-x^21) * (1-x^24) / (1-x)^8.
A162596
G.f. is the polynomial (1-x^3) * (1-x^6) * (1-x^9) * (1-x^12) * (1-x^15) * (1-x^18) * (1-x^21) * (1-x^24) / (1-x)^8.
Terms
- a(0) =1a(1) =8a(2) =36a(3) =119a(4) =322a(5) =756a(6) =1595a(7) =3094a(8) =5607a(9) =9604a(10) =15686a(11) =24597a(12) =37232a(13) =54640a(14) =78021a(15) =108717a(16) =148197a(17) =198036a(18) =259888a(19) =335453a(20) =426438a(21) =534513a(22) =661263a(23) =808137a(24) =976395a(25) =1167054a(26) =1380834a(27) =1618106a(28) =1878844a(29) =2162583
External references
- oeis: A162596