A277947 Squares whose largest decimal digit is 3.

12321, 123201, 130321, 1232100, 1320201, 3101121, 12320100, 13032100, 102030201, 102232321, 103002201, 123210000, 123232201, 132020100, 310112100, 1232010000, 1303210000, 1322122321, 1332323001, 2103231321, 10022212321, 10130221201, 10203020100, 10203222121

Offset: 1

Author

Colin Barker, Nov 05 2016

Keywords

• nonn
• easy
• base

Comments

A subsequence of A000290.

Links

• Colin Barker, Table of n, a(n) for n = 1..100

Crossrefs

Cf. A000290.

Cf. A277946, A277948, A277960.

Programs

Magma

[n^2: n in [1..1000000] | Maximum(Intseq(n^2)) eq 3]; // Vincenzo Librandi, Nov 06 2016

PARI

L=List(); for(n=1, 10000, if(vecmax(digits(n^2))==3, listput(L, n^2))); Vec(L)