(d(n)-r(n))/5, where d = A006527 and r is the periodic sequence with fundamental period (4,1,4,0,1).

A026036

(d(n)-r(n))/5, where d = A006527 and r is the periodic sequence with fundamental period (4,1,4,0,1).

Terms

    a(0) =0a(1) =2a(2) =4a(3) =9a(4) =15a(5) =23a(6) =35a(7) =49a(8) =68a(9) =90a(10) =116a(11) =148a(12) =184a(13) =227a(14) =275a(15) =329a(16) =391a(17) =459a(18) =536a(19) =620a(20) =712a(21) =814a(22) =924a(23) =1045a(24) =1175a(25) =1315a(26) =1467a(27) =1629a(28) =1804a(29) =1990

External references