Triangular array read by rows. T(n,k) = A008277(n,k)*2^k; n >= 1, 1 <= k <= n.

Terms

a(0) =2a(1) =2a(2) =4a(3) =2a(4) =12a(5) =8a(6) =2a(7) =28a(8) =48a(9) =16a(10) =2a(11) =60a(12) =200a(13) =160a(14) =32a(15) =2a(16) =124a(17) =720a(18) =1040a(19) =480a(20) =64a(21) =2a(22) =252a(23) =2408a(24) =5600a(25) =4480a(26) =1344a(27) =128a(28) =2a(29) =508