G.f.: exp( Sum_{n>=1} sigma(n^5)*x^n/n ).

Terms

a(0) =1a(1) =1a(2) =32a(3) =153a(4) =1145a(5) =5677a(6) =37641a(7) =184685a(8) =1047862a(9) =5196410a(10) =26935148a(11) =129702476a(12) =638028933a(13) =2987297287a(14) =14055935617a(15) =64139004752a(16) =291595380989