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.

A048561 a(n+1) is next smallest nontrivial square beginning with a(n), initial square is 9.

Original entry on oeis.org

9, 961, 9616201, 961620162020001, 9616201620200016202000200000001, 96162016202000162020002000000018891984632653500321758097698025
Offset: 0

Views

Author

Patrick De Geest, May 15 1999

Keywords

Comments

Next terms are 125, 251, 502 and 1003 digits long.

Crossrefs

Cf. A048562.
Cf. A048557, A249893, A249894, A048559, A249895, A249896, A249897, A249898.

A050639 a(1) = 3; a(n+1)^2 is next smallest square ending with a(n)^2.

Original entry on oeis.org

3, 7, 43, 1293, 154957, 20214998707, 118659019449999845043, 5566692951015284052000000000020214998707, 21637689578064053873124753714430240419600000000000000000000118659019449999845043
Offset: 1

Views

Author

Patrick De Geest, Jul 15 1999

Keywords

Crossrefs

Cf. A050638, A048562, A050631.

Extensions

More terms from Ulrich Schimke (ulrschimke(AT)aol.com), Nov 06 2001

A050633 a(1)=3; for n>1, a(n)^2 is next smallest nontrivial square containing a(n-1)^2 as a substring.

Original entry on oeis.org

3, 7, 43, 136, 10158, 85927342, 738024797793593
Offset: 1

Views

Author

Patrick De Geest, Jul 15 1999

Keywords

Crossrefs

Starting with a(2)=7, the sequence is identical to A050631.
Cf. A050632, A048562, A050639.

Formula

a(n) = sqrt(A050632(n)).

Extensions

a(7) from Max Alekseyev, Feb 15 2012
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.