Number of nonzero coefficients in the polynomial factor of the expression counting binomial coefficients with 2-adic valuation n.
A275012
Number of nonzero coefficients in the polynomial factor of the expression counting binomial coefficients with 2-adic valuation n.
Terms
- a(0) =1a(1) =1a(2) =4a(3) =11a(4) =29a(5) =69a(6) =174a(7) =413a(8) =995a(9) =2364a(10) =5581a(11) =13082a(12) =30600a(13) =71111a(14) =164660a(15) =379682a(16) =872749
External references
- oeis: A275012