A053901 Squares composed of digits {1,4,8}.

1, 4, 81, 144, 441, 484, 841, 1444, 11881, 14884, 48841, 1418481, 414488881, 144418888188481, 4141181448448144, 4811118811848441, 11181184881818884, 1814448814844418841, 114811414848448481881, 441148818414884144184841

Offset

1,2

Links

Zhao Hui Du, Table of n, a(n) for n = 1..31

Author?, Source(txt)

Patrick De Geest, Squares containing at most three distinct digits, Index entries for related sequences

Crossrefs

Cf. A053900.

Sequence in context: A258981 A072363 A272884 * A017006 A041189 A123198

Adjacent sequences: A053898 A053899 A053900 * A053902 A053903 A053904

Keyword

nonn,base

Author

Patrick De Geest, Mar 15 2000

Extensions

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 04 2005

Status

approved