Total number of corners in all partitions of n. A corner of a partition is a point of degree two in the corresponding Ferrers diagram.
A265258
Total number of corners in all partitions of n. A corner of a partition is a point of degree two in the corresponding Ferrers diagram.
Terms
- a(0) =4a(1) =8a(2) =13a(3) =22a(4) =33a(5) =52a(6) =75a(7) =111a(8) =157a(9) =223a(10) =307a(11) =426a(12) =575a(13) =778a(14) =1036a(15) =1377a(16) =1806a(17) =2367a(18) =3067a(19) =3968a(20) =5090a(21) =6512a(22) =8273a(23) =10488a(24) =13212a(25) =16604a(26) =20762a(27) =25896a(28) =32155a(29) =39837
External references
- oeis: A265258