a(n) = T(2n,n+1), where T is the array defined in A024996.
A026077
a(n) = T(2n,n+1), where T is the array defined in A024996.
Terms
- a(0) =1a(1) =6a(2) =40a(3) =232a(4) =1352a(5) =7854a(6) =45683a(7) =266214a(8) =1554684a(9) =9098740a(10) =53357985a(11) =313495934a(12) =1845063496a(13) =10876094870a(14) =64203285600a(15) =379498497900
External references
- oeis: A026077