a(n) is the solution to the postage stamp problem with n denominations and 3 stamps.
A001213
a(n) is the solution to the postage stamp problem with n denominations and 3 stamps.
Terms
- a(0) =3a(1) =7a(2) =15a(3) =24a(4) =36a(5) =52a(6) =70a(7) =93a(8) =121a(9) =154a(10) =186a(11) =225a(12) =271a(13) =323a(14) =385a(15) =450a(16) =515a(17) =606a(18) =684a(19) =788a(20) =865a(21) =977a(22) =1091a(23) =1201a(24) =1361
External references
- oeis: A001213