Arrange the nontrivial binomial coefficients C(m,k) (2 <= k <= m-2) in increasing order; record the positions of the central binomial coefficients.
A022913
Arrange the nontrivial binomial coefficients C(m,k) (2 <= k <= m-2) in increasing order; record the positions of the central binomial coefficients.
Terms
- a(0) =1a(1) =4a(2) =13a(3) =30a(4) =63a(5) =124a(6) =233a(7) =431a(8) =798a(9) =1480a(10) =2772a(11) =5232a(12) =9964a(13) =19120a(14) =36931a(15) =71711a(16) =139843a(17) =273633a(18) =536868a(19) =1055596a(20) =2079074a(21) =4100581a(22) =8096797a(23) =16002508a(24) =31652202a(25) =62648233a(26) =124068507
External references
- oeis: A022913