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.

A073400 Coefficient triangle of polynomials (falling powers) related to convolutions of A001045(n+1), n >= 0, (generalized (1,2)-Fibonacci). Companion triangle is A073399.

Table of values

n a(n)
0 2
1 9
2 33
3 45
4 396
5 831
6 243
7 3744
8 18297
9 28236
10 1377
11 32481
12 273483
13 968679
14 1210140
15 8019
16 268029
17 3418767
18 20681811
19 58920534
20 62686440
21 47385
22 2130138
23 38186478
24 347584284
25 1683064737
26 4075425738
27 3810867480

List of values

[2, 9, 33, 45, 396, 831, 243, 3744, 18297, 28236, 1377, 32481, 273483, 968679, 1210140, 8019, 268029, 3418767, 20681811, 58920534, 62686440, 47385, 2130138, 38186478, 347584284, 1683064737, 4075425738, 3810867480]

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

Content is available under The OEIS End-User License Agreement.