Numbers n such that 9n is a partition number.

Terms

a(0) =15a(1) =33a(2) =88a(3) =175a(4) =1127a(5) =3465a(6) =7029a(7) =36659a(8) =1755164a(9) =4900901a(10) =537252430a(11) =816292168a(12) =1365815759a(13) =2048921480a(14) =11937573274a(15) =14434878293a(16) =17435497255a(17) =27826547235a(18) =169697066625a(19) =371707331522a(20) =405119159125a(21) =800760189610