A triangle formed like Pascal's triangle, but with 4^n on the borders instead of 1.

Terms

a(0) =1a(1) =4a(2) =4a(3) =16a(4) =8a(5) =16a(6) =64a(7) =24a(8) =24a(9) =64a(10) =256a(11) =88a(12) =48a(13) =88a(14) =256a(15) =1024a(16) =344a(17) =136a(18) =136a(19) =344a(20) =1024a(21) =4096a(22) =1368a(23) =480a(24) =272a(25) =480a(26) =1368a(27) =4096a(28) =16384a(29) =5464