Number of triangular numbers that divide n.

Terms

a(0) =1a(1) =1a(2) =2a(3) =1a(4) =1a(5) =3a(6) =1a(7) =1a(8) =2a(9) =2a(10) =1a(11) =3a(12) =1a(13) =1a(14) =3a(15) =1a(16) =1a(17) =3a(18) =1a(19) =2a(20) =3a(21) =1a(22) =1a(23) =3a(24) =1a(25) =1a(26) =2a(27) =2a(28) =1a(29) =5