Hexagonal numbers for which both the sum of the digits and the product of the digits are also hexagonal numbers.
A117064
Hexagonal numbers for which both the sum of the digits and the product of the digits are also hexagonal numbers.
Terms
- a(0) =0a(1) =1a(2) =6a(3) =231a(4) =780a(5) =1770a(6) =2850a(7) =3003a(8) =4560a(9) =14028a(10) =17205a(11) =20301a(12) =20706a(13) =24090a(14) =24531a(15) =28203a(16) =32640a(17) =37401a(18) =43071a(19) =80601a(20) =96580a(21) =102831a(22) =103740a(23) =112101a(24) =191890a(25) =200661a(26) =201930a(27) =239086a(28) =255970a(29) =286903
External references
- oeis: A117064