Numbers k such that k^2 has property that the sum of its digits and the product of its digits are nonzero squares.
A061268
Numbers k such that k^2 has property that the sum of its digits and the product of its digits are nonzero squares.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =12a(4) =21a(5) =122a(6) =212a(7) =221a(8) =364a(9) =463a(10) =518a(11) =537a(12) =543a(13) =589a(14) =661a(15) =715a(16) =786a(17) =969a(18) =1111a(19) =1156a(20) =1354a(21) =1525a(22) =1535a(23) =1608a(24) =1617a(25) =1667a(26) =1692a(27) =1823a(28) =1941a(29) =2166
External references
- oeis: A061268