Coefficient of x^n in the expansion of ( (1+x)^2 * (1+x^3) )^n.
A370196
Coefficient of x^n in the expansion of ( (1+x)^2 * (1+x^3) )^n.
Terms
- a(0) =1a(1) =2a(2) =6a(3) =23a(4) =102a(5) =477a(6) =2259a(7) =10733a(8) =51174a(9) =245156a(10) =1180381a(11) =5709387a(12) =27723315a(13) =135055845a(14) =659744973a(15) =3230479173a(16) =15850993126a(17) =77918426928a(18) =383646423564
External references
- oeis: A370196