A027677 When squared gives number composed of digits {1,4,6}.
1, 2, 4, 8, 12, 21, 38, 108, 119, 121, 129, 204, 408, 804, 2538, 3408, 6642, 12908, 25771, 78196, 81619, 333858, 204000408, 668164962, 813118358, 4018285038, 12006850738, 12694138988, 12706943631, 40182224262, 40578463021, 785153912392, 1210019200121, 1210150449796
Offset: 1
Links
- Zhao Hui Du, Table of n, a(n) for n = 1..47
- Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences
- Patrick De Geest, Palindromic Squares in bases 2 to 17
- A. Ottens, The arithmetic-digits-squares-three.digits problem
- Eric Weisstein's World of Mathematics, Square Number
Crossrefs
Cf. A027676.