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.

A151728 A151727/4.

Original entry on oeis.org

1, 5, 5, 11, 7, 15, 19, 23, 7, 15, 21, 29, 29, 49, 59, 47, 7, 15, 21, 29, 29, 49, 61, 53, 29, 51, 71, 87, 107, 157, 163, 95, 7, 15, 21, 29, 29, 49, 61, 53, 29, 51, 71, 87, 107, 157, 165, 101, 29, 51, 71, 87, 107, 159, 175, 135, 109, 173, 229, 281, 371, 477
Offset: 0

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Author

N. J. A. Sloane, Jun 14 2009

Keywords

Links

Crossrefs

Cf. A151727, A151737, A151747, A170880. Equals 2*A151729 + 1.

A151735 a(0)=0, a(1)=1; for n>21, a(n) = (A151725(n)+7)/4.

Original entry on oeis.org

0, 1, 4, 5, 10, 11, 16, 21, 32, 33, 38, 43, 54, 61, 76, 95, 118, 119, 124, 129, 140, 147, 162, 181, 204, 211, 226, 247, 276, 305, 354, 413, 460, 461, 466, 471, 482, 489, 504, 523, 546, 553, 568, 589, 618, 647, 696, 755, 802, 809, 824, 845, 874, 903, 952, 1013, 1066, 1095, 1146
Offset: 0

Views

Author

N. J. A. Sloane, Jun 15 2009

Keywords

Comments

The number of cells after n generations in one quadrant of the CA in A151725.
The first differences (starting at a(2)) give A151737.

Crossrefs

Cf. A151746.
Showing 1-2 of 2 results.

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

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