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.

A050631 a(1)=2; for n>1, a(n)^2 is next smallest nontrivial square containing a(n-1)^2 as a substring.

Original entry on oeis.org

2, 7, 43, 136, 10158, 85927342, 738024797793593
Offset: 1

Views

Author

Patrick De Geest, Jul 15 1999

Keywords

Comments

Starting with a(2)=7, the sequence is identical to A050633.

Crossrefs

Cf. A050630, A048560, A050637.

Extensions

a(7) from Max Alekseyev, Feb 15 2012

A050632 a(n+1) is next smallest nontrivial square containing a(n) as a substring, initial term is 9.

Original entry on oeis.org

9, 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 to A050630.
Cf. A050633, A048561, A050638.

Formula

a(n) = A050633(n)^2.

Extensions

a(7) from Max Alekseyev, Feb 15 2012

A050629 a(n+1)^2 is next smallest nontrivial square containing a(n)^2 as a substring, initial term is 1.

Original entry on oeis.org

1, 4, 13, 237, 6013, 3655347, 6491041181267
Offset: 1

Views

Author

Patrick De Geest, Jul 15 1999

Keywords

Crossrefs

Cf. A050628, A048558, A050631, A050633, A050635.

Formula

a(n) = sqrt(A050628(n)).

Extensions

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

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