Number of partitions of n for which the number of even parts is equal to the positive alternating sum of the parts.

A277579

Number of partitions of n for which the number of even parts is equal to the positive alternating sum of the parts.

Terms

    a(0) =1a(1) =0a(2) =1a(3) =1a(4) =1a(5) =2a(6) =3a(7) =3a(8) =4a(9) =6a(10) =7a(11) =9a(12) =13a(13) =15a(14) =19a(15) =25a(16) =31a(17) =38a(18) =48a(19) =59a(20) =74a(21) =90a(22) =111a(23) =136a(24) =166a(25) =201a(26) =246a(27) =297a(28) =357a(29) =431

External references