A triangular array related to A077028 and distributing the values of A007582.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =5a(5) =4a(6) =1a(7) =10a(8) =17a(9) =8a(10) =1a(11) =19a(12) =51a(13) =49a(14) =16a(15) =1a(16) =36a(17) =134a(18) =196a(19) =129a(20) =32a(21) =1a(22) =69a(23) =330a(24) =650a(25) =645a(26) =321a(27) =64a(28) =1a(29) =134