Number of overpartitions of n: an overpartition of n is an ordered sequence of nonincreasing integers that sum to n, where the first occurrence of each integer may be overlined.
A015128
Number of overpartitions of n: an overpartition of n is an ordered sequence of nonincreasing integers that sum to n, where the first occurrence of each integer may be overlined.
Terms
- a(0) =1a(1) =2a(2) =4a(3) =8a(4) =14a(5) =24a(6) =40a(7) =64a(8) =100a(9) =154a(10) =232a(11) =344a(12) =504a(13) =728a(14) =1040a(15) =1472a(16) =2062a(17) =2864a(18) =3948a(19) =5400a(20) =7336a(21) =9904a(22) =13288a(23) =17728a(24) =23528a(25) =31066a(26) =40824a(27) =53408a(28) =69568a(29) =90248
External references
- oeis: A015128