A053960 Numbers k such that k^2 contains only digits {4,6,9}.

2, 3, 7, 8, 212, 264, 2236, 3114, 3157, 31614, 68187, 254842, 80434114, 263527313, 3073591864, 6670791907, 21134016762, 21610059386, 97312381892, 22237232291063, 999997323321167445187, 22236561446627600040614, 9718263579193026119075264

Offset

1,1

Links

Table of n, a(n) for n=1..23.

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

Author?, Source (txt)

Hisanori Mishima, Sporadic tridigital solutions

Crossrefs

Cf. A053961.

Sequence in context: A038034 A103173 A098863 * A114056 A168222 A323384

Adjacent sequences: A053957 A053958 A053959 * A053961 A053962 A053963

Keyword

nonn,base

Author

Patrick De Geest, Mar 15 2000

Extensions

More terms from C. Ronaldo (aga_new_ac(AT)hotmail.com), Jan 03 2005

a(20)-a(23) from Mishima's website, added by Max Alekseyev, Nov 30 2017

Status

approved