a(n) is the solution to the postage stamp problem with 6 denominations and n stamps.

A001211

a(n) is the solution to the postage stamp problem with 6 denominations and n stamps.

Terms

    a(0) =6a(1) =20a(2) =52a(3) =108a(4) =211a(5) =388a(6) =664a(7) =1045a(8) =1617a(9) =2510a(10) =3607a(11) =5118a(12) =7066a(13) =9748a(14) =12793a(15) =17061a(16) =22342a(17) =28874a(18) =36560a(19) =45745a(20) =57814a(21) =72997a(22) =87555a(23) =106888a(24) =129783

External references