Triangle read by rows: T(n,k) = 1 + floor(n!/2^((k - n/2)^2 + 1)).

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =1a(7) =3a(8) =3a(9) =1a(10) =1a(11) =7a(12) =13a(13) =7a(14) =1a(15) =1a(16) =13a(17) =51a(18) =51a(19) =13a(20) =1a(21) =1a(22) =23a(23) =181a(24) =361a(25) =181a(26) =23a(27) =1a(28) =1a(29) =34