A058412 Squares composed of digits {0,1,2}, not ending with zero.

1, 121, 10201, 22201, 1002001, 1022121, 1212201, 100020001, 100220121, 121022001, 210221001, 10000200001, 10002200121, 10020210201, 10201202001, 12100220001, 100021020121, 1000002000001, 1000022000121, 1000202010201

Offset

1,2

Comments

All terms but the first one have their largest digit equal to 2, cf. A277946 = A277959^2. - M. F. Hasler, Nov 15 2017

Links

Table of n, a(n) for n=1..20.

P. De Geest, Index to related sequences

Hisanori Mishima, Sporadic tridigital solutions

OEIS Index to sequences related to squares.

Formula

a(n) = A058411(n)^2. - Zak Seidov, Jul 01 2013

Prog

(PARI) apply( t->t^2, vector(100, i, N=if(i>1, next_A058411(N), 1))) \\ M. F. Hasler, Nov 15 2017

Crossrefs

Cf. A058411.

Cf. A063009, A066139. - Zak Seidov, Jul 01 2013

Cf. A136808, A136809 and A136810, ..., A137147 for other digit combinations.

See also A277946 = A277959^2 = squares whose largest digit is 2.

The first 1261 terms are also a subsequence of A278038 (binary numbers without '111'), in turn a subsequence of the binary numbers A007088.

Sequence in context: A277946 A263610 A176923 * A231661 A006102 A263819

Adjacent sequences: A058409 A058410 A058411 * A058413 A058414 A058415

Keyword

nonn,base

Author

Patrick De Geest, Nov 15 2000

Status

approved