Number of nonnegative integer solutions to n = Sum_{i=1..n} (a_i + b_i), with b_i even.
A348410
Number of nonnegative integer solutions to n = Sum_{i=1..n} (a_i + b_i), with b_i even.
Terms
- a(0) =1a(1) =1a(2) =5a(3) =19a(4) =85a(5) =376a(6) =1715a(7) =7890a(8) =36693a(9) =171820a(10) =809380a(11) =3830619a(12) =18201235a(13) =86770516a(14) =414836210a(15) =1988138644a(16) =9548771157a(17) =45948159420a(18) =221470766204
External references
- oeis: A348410