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.

A114177 Row sums of triangle A114176, where the g.f. of column n equals the g.f. of row n divided by (1-x)^(n+1)*(1-x^2)^n.

Original entry on oeis.org

1, 2, 5, 14, 40, 118, 352, 1063, 3232, 9887, 30379, 93698, 289886, 899249, 2795887, 8710024, 27181265, 84953472, 265875085, 833096503, 2613243040, 8205119977, 25785240122, 81096956291, 255244064543, 803894140748, 2533446491717
Offset: 0

Views

Author

Paul D. Hanna, Nov 15 2005

Keywords

Crossrefs

Cf. A114176, A114178 (central terms), A114179 (row sums-square).

A114178 Central terms of triangle A114176 found in even-indexed rows.

Original entry on oeis.org

1, 3, 18, 135, 1083, 9219, 80631, 724080, 6601639, 61065270, 570430258, 5376309654, 51020229343, 487127706521, 4674459993450, 45056351087502, 435965482847738, 4232871507349381, 41222355832803426, 402540756184423291
Offset: 0

Views

Author

Paul D. Hanna, Nov 15 2005

Keywords

Crossrefs

Cf. A114176, A114177 (row sums), A114179 (row sums-square).

A114179 Sums of squared terms in rows of triangle A114176.

Original entry on oeis.org

1, 2, 11, 74, 526, 4150, 34074, 289237, 2512542, 22245389, 199852587, 1817096872, 16685674922, 154527136727, 1441556793983, 13533353351654, 127755258777551, 1211901967571904, 11545994448606595, 110425125151843023
Offset: 0

Views

Author

Paul D. Hanna, Nov 15 2005

Keywords

Crossrefs

Cf. A114176, A114177 (row sums), A114178 (central terms).
Showing 1-3 of 3 results.