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 1-3 of 3 results.

A080484 A080483(n)/3.

Original entry on oeis.org

0, 7, 181, 3292, 471040370, 67306057205, 9087508077407, 1178111077100976, 148114138013127912, 18178417168316158215, 2188212087201986191885, 259225249124239023228922, 30299629289528279427269326
Offset: 1

Views

Author

Amarnath Murthy, Mar 11 2003

Keywords

Crossrefs

Cf. A080481, A080482, A080483.

Extensions

Next term has 841 digits.
Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003

A080481 Concatenation of next n numbers (a(1) = 0).

Original entry on oeis.org

0, 12, 345, 6789, 1011121314, 151617181920, 21222324252627, 2829303132333435, 363738394041424344, 45464748495051525354, 5556575859606162636465, 666768697071727374757677, 78798081828384858687888990
Offset: 1

Views

Author

Amarnath Murthy, Mar 11 2003

Keywords

Comments

a(n) is a multiple of 3.

Crossrefs

Cf. A080482, A080483, A080484.

Extensions

More terms from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003

A080482 a(n) = A080481(n)/3.

Original entry on oeis.org

0, 4, 115, 2263, 337040438, 50539060640, 7074108084209, 943101044111145, 121246131347141448, 15154916165017175118, 1852191953202054212155, 222256232357242458252559, 26266027276128286229296330
Offset: 1

Views

Author

Amarnath Murthy, Mar 11 2003

Keywords

Crossrefs

Cf. A080481, A080483, A080484.

Extensions

Corrected and extended by Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 06 2003
Showing 1-3 of 3 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.