Numbers that are product of a hexagonal number (A000384) and a square pyramidal numbers (A000330) in at least two ways.
A306121
Numbers that are product of a hexagonal number (A000384) and a square pyramidal numbers (A000330) in at least two ways.
Terms
- a(0) =0a(1) =30a(2) =91a(3) =140a(4) =330a(5) =630a(6) =840a(7) =1540a(8) =3900a(9) =6090a(10) =6930a(11) =9180a(12) =9455a(13) =9750a(14) =10920a(15) =18564a(16) =22770a(17) =42900a(18) =46200a(19) =56730a(20) =56925a(21) =58905a(22) =106260a(23) =116886a(24) =128520a(25) =145530a(26) =189420a(27) =191730a(28) =214200a(29) =215600
External references
- oeis: A306121