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.

Showing 1-2 of 2 results.

A069033 Powers of 8 with strictly increasing sum of digits.

Original entry on oeis.org

1, 8, 64, 4096, 32768, 16777216, 8589934592, 68719476736, 549755813888, 281474976710656, 2251799813685248, 18014398509481984, 9223372036854775808, 73786976294838206464, 37778931862957161709568, 79228162514264337593543950336, 324518553658426726783156020576256
Offset: 1

Views

Author

Amarnath Murthy, Apr 02 2002

Keywords

Links

Crossrefs

Cf. A069027, A069028, A069029, A069030, A069031, A069032.

Programs

  • PARI
    lista(nn) = {my(m = 0, x); for (n=0, nn, x = 8^n; if (sumdigits(x) > m,  print1(x, ", "); m = sumdigits(x);););} \\ Michel Marcus, Oct 23 2018

Extensions

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jun 26 2002
More terms from Michel Marcus, Oct 23 2018

A069034 Powers of 9 with strictly increasing sum of digits.

Original entry on oeis.org

1, 9, 729, 59049, 4782969, 282429536481, 2541865828329, 22876792454961, 16677181699666569, 8862938119652501095929, 79766443076872509863361, 717897987691852588770249, 381520424476945831628649898809, 22528399544939174411840147874772641
Offset: 1

Views

Author

Amarnath Murthy, Apr 02 2002

Keywords

Crossrefs

Cf. A069027, A069028, A069029, A069030, A069031, A069032, A069033.

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), Jun 26 2002
More terms from Sean A. Irvine, Mar 29 2024
Showing 1-2 of 2 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.