Seventh pi-based arithmetic derivative of n.

Terms

a(0) =0a(1) =0a(2) =0a(3) =0a(4) =4a(5) =0a(6) =4a(7) =4a(8) =2304a(9) =2304a(10) =0a(11) =0a(12) =12288a(13) =4a(14) =80a(15) =208a(16) =81920a(17) =4a(18) =208a(19) =512a(20) =81920a(21) =80a(22) =32a(23) =512a(24) =16092a(25) =512a(26) =208a(27) =138240a(28) =30848a(29) =0