a(1) = 1; for n>1, a(n) = smallest number that is not a sum or product of any subset of the numbers a(1) to a(n-1).
A065026
a(1) = 1; for n>1, a(n) = smallest number that is not a sum or product of any subset of the numbers a(1) to a(n-1).
Terms
- a(0) =1a(1) =2a(2) =4a(3) =9a(4) =17a(5) =25a(6) =59a(7) =67a(8) =176a(9) =226a(10) =578a(11) =628a(12) =1340a(13) =1876a(14) =4472a(15) =5728a(16) =13952a(17) =17704a(18) =43112a(19) =54568a(20) =133088a(21) =168496a(22) =410720a(23) =519856a(24) =1267568a(25) =1604560a(26) =3911840a(27) =4951552a(28) =12072512a(29) =15281632
External references
- oeis: A065026