Numbers m such that m = p^2 + k^2, with p > 0, where p = A007954(m) = the product of digits of m.
A334557
Numbers m such that m = p^2 + k^2, with p > 0, where p = A007954(m) = the product of digits of m.
Terms
- a(0) =1a(1) =13a(2) =41a(3) =61a(4) =125a(5) =212a(6) =281a(7) =613a(8) =1156a(9) =1424a(10) =2225a(11) =3232a(12) =3316a(13) =4113a(14) =11125a(15) =11281a(16) =11525a(17) =12816a(18) =14913a(19) =16317a(20) =16441a(21) =19125a(22) =21284a(23) =21625a(24) =24128a(25) =25216a(26) =27521a(27) =31525a(28) =53125a(29) =56116
External references
- oeis: A334557