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.

A050630 a(n+1) is next smallest nontrivial square containing a(n) as a substring, initial term is 4.

Original entry on oeis.org

4, 49, 1849, 18496, 103184964, 7383508103184964, 544680602158273835081031849649
Offset: 1

Views

Author

Patrick De Geest, Jul 15 1999

Keywords

Crossrefs

Starting with a(2)=49, the sequence is identical A050632.

Formula

a(n) = A050631(n)^2.

Extensions

a(7) from Max Alekseyev, Feb 15 2012

A050628 a(1) = 1; a(n+1) is next smallest nontrivial square containing a(n) as a substring.

Original entry on oeis.org

1, 16, 169, 56169, 36156169, 13361561690409, 42133615616904090751725289
Offset: 1

Views

Author

Patrick De Geest, Jul 15 1999

Keywords

Crossrefs

Formula

a(n) = A050629(n)^2.

Extensions

a(7) from Max Alekseyev, Feb 15 2012

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.

Formula

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

Extensions

a(7) from Max Alekseyev, Feb 15 2012
Showing 1-3 of 3 results.