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.

A375048 Irregular triangular array T; row n shows the coefficients of the (n-1)-st polynomial in the obverse convolution s(x)**t(x), where s(x) = x+F(n) and t(x) = F(n), where F(n) = n-th Fibonacci number (A000045). See Comments.

Table of values

n a(n)
1 0
2 1
3 1
4 2
5 1
6 2
7 5
8 4
9 1
10 16
11 32
12 24
13 8
14 1
15 162
16 297
17 216
18 78
19 14
20 1
21 3600
22 5640
23 3649
24 1248
25 238
26 24
27 1
28 147456
29 196608
30 110848
31 34240
32 6256
33 676
34 40
35 1
36 12320100
37 13667940
38 6521589
39 1746426
40 286843
41 29568
42 1867
43 66
44 1
45 2058386904
46 1878686460
47 746158770

List of values

[0, 1, 1, 2, 1, 2, 5, 4, 1, 16, 32, 24, 8, 1, 162, 297, 216, 78, 14, 1, 3600, 5640, 3649, 1248, 238, 24, 1, 147456, 196608, 110848, 34240, 6256, 676, 40, 1, 12320100, 13667940, 6521589, 1746426, 286843, 29568, 1867, 66, 1, 2058386904, 1878686460, 746158770]