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.

A074842 Triplets: base 10 representation is the juxtaposition of three identical strings.

Original entry on oeis.org

111, 222, 333, 444, 555, 666, 777, 888, 999, 101010, 111111, 121212, 131313, 141414, 151515, 161616, 171717, 181818, 191919, 202020, 212121, 222222, 232323, 242424, 252525, 262626, 272727, 282828, 292929, 303030, 313131, 323232, 333333
Offset: 1

Views

Author

Felice Russo, Sep 10 2002

Keywords

Crossrefs

Cf. A020338.

Programs

  • Magma
    [Seqint(Intseq(n) cat Intseq(n) cat Intseq(n)): n in [1..46]]; // Vincenzo Librandi, Feb 21 2014
  • Mathematica
    Table[FromDigits[Flatten[IntegerDigits/@PadRight[{},3,n]]],{n,40}] (* Harvey P. Dale, Aug 10 2019 *)
  • UBASIC
    10 cls
    30 for I=1 to 100
    40 A=str(I)
    50 C=A+A+A
    60 B=val(cutspc(C))
    80 print B
    90 next
    100 end