Number of partitions with at most one part divisible by 5.

Terms

a(0) =1a(1) =2a(2) =3a(3) =5a(4) =7a(5) =11a(6) =15a(7) =22a(8) =30a(9) =41a(10) =55a(11) =75a(12) =98a(13) =130a(14) =168a(15) =219a(16) =280a(17) =360a(18) =455a(19) =577a(20) =724a(21) =908a(22) =1129a(23) =1405a(24) =1733a(25) =2138a(26) =2621a(27) =3210a(28) =3910a(29) =4759