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.

A247888 Zeroless numbers n such that n + A007954(n) contains the same digits as n.

Original entry on oeis.org

239, 326, 364, 497, 563, 598, 613, 637, 695, 819, 1215, 1239, 1326, 1364, 1431, 1497, 1512, 1518, 1563, 1598, 1613, 1637, 1695, 1812, 1815, 1819, 2115, 2139, 2313, 2356, 2369, 2419, 2511, 2594, 2639, 2791, 3126, 3213, 3235, 3238, 3259, 3354, 3365, 3561, 4131, 4219, 4346, 4353, 4395
Offset: 1

Views

Author

Derek Orr, Sep 25 2014

Keywords

Crossrefs

Cf. A007954 (product of digits), A052382 (zeroless numbers).

Programs

  • PARI
    for(n=0,10^4,d=digits(n);p=prod(i=1,#d,d[i]);dp=digits(n+p);if(p&&vecsort(d,,8)==vecsort(dp,,8),print1(n,", ")))