The number of partitions of n in which the first part is at least four times larger than the second part.

A186445

The number of partitions of n in which the first part is at least four times larger than the second part.

Terms

    a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =2a(6) =3a(7) =4a(8) =5a(9) =6a(10) =8a(11) =10a(12) =13a(13) =16a(14) =20a(15) =25a(16) =31a(17) =38a(18) =47a(19) =57a(20) =70a(21) =85a(22) =103a(23) =124a(24) =150a(25) =180a(26) =216a(27) =258a(28) =308a(29) =366

External references