cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A086935 a(n) is the smallest square such that n occurs in its decimal representation.

Original entry on oeis.org

0, 1, 25, 36, 4, 25, 16, 576, 81, 9, 100, 1156, 121, 1369, 144, 1156, 16, 1764, 1849, 196, 2025, 121, 225, 2304, 324, 25, 2601, 2704, 289, 529, 2304, 3136, 324, 3364, 3481, 4356, 36, 3721, 3844, 3969, 400, 441, 4225, 4356, 144, 13456, 4624, 4761, 484, 49
Offset: 0

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Author

Zak Seidov, Sep 22 2003

Keywords

Comments

If only positive squares are considered then the first term is 100.

Examples

			a(3) = 36 since 3 occurs in 36, but not in 0, 1, 4, 9, 16, 25.
		

Crossrefs

Cf. A062584.

Programs

  • ARIBAS
    var sn,sq:string; b:boolean; end; begin for n := 0 to 49 do sn := itoa(n); c := length(sn); b := true; p := 0; while b do q := p^2; sq := itoa(q); d := length(sq); j := 0; while b and j<=d-c do if sn=sq[j..j+c-1] then b := false; write(q,","); else inc(j); end; end; if b then inc(p); end; end; end; end;

Extensions

Edited, corrected and extended by Klaus Brockhaus and Ray Chandler, Sep 22 2003