Sum of the even singletons in all partitions of n (n>=0). A singleton in a partition is a part that occurs exactly once.
A276425
Sum of the even singletons in all partitions of n (n>=0). A singleton in a partition is a part that occurs exactly once.
Terms
- a(0) =0a(1) =0a(2) =2a(3) =2a(4) =6a(5) =8a(6) =20a(7) =26a(8) =48a(9) =66a(10) =114a(11) =154a(12) =240a(13) =326a(14) =490a(15) =656a(16) =940a(17) =1252a(18) =1752a(19) =2306a(20) =3142a(21) =4104a(22) =5500a(23) =7114a(24) =9372a(25) =12030a(26) =15656a(27) =19932a(28) =25628a(29) =32402
External references
- oeis: A276425