A128064 * A001263.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =7a(5) =3a(6) =1a(7) =15a(8) =21a(9) =4a(10) =1a(11) =26a(12) =76a(13) =46a(14) =5a(15) =1a(16) =40a(17) =200a(18) =250a(19) =85a(20) =6a(21) =1a(22) =57a(23) =435a(24) =925a(25) =645a(26) =141a(27) =7a(28) =1a(29) =77