Array defined in A064643 read from left to right (cf. A107783).

Terms

a(0) =1a(1) =2a(2) =1a(3) =1a(4) =5a(5) =6a(6) =22a(7) =21a(8) =13a(9) =1a(10) =1a(11) =45a(12) =84a(13) =104a(14) =105a(15) =631a(16) =630a(17) =562a(18) =412a(19) =211a(20) =1a(21) =1a(22) =1263a(23) =2500a(24) =3558a(25) =4285a(26) =4602a(27) =4603a(28) =39469a(29) =39468