A058414 Squares composed of digits {0,1,4}, not ending with zero.

1, 4, 144, 441, 1444, 10404, 40401, 1004004, 1100401, 4004001, 100040004, 114041041, 400040001, 414041104, 10000400004, 10110101401, 40000400001, 41011110144, 141001001001, 414441100441, 1000004000004, 1041110041104

Offset

1,2

Links

Table of n, a(n) for n=1..22.

P. De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

Crossrefs

Cf. A058413.

Sequence in context: A277948 A083688 A053899 * A053891 A053897 A017294

Adjacent sequences: A058411 A058412 A058413 * A058415 A058416 A058417

Keyword

nonn,base

Author

Patrick De Geest, Nov 15 2000

Status

approved