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.

A290310 Irregular triangle read by rows. Row n gives the coefficients of the polynomial multiplying the exponential function in the e.g.f. of the (n+1)-th diagonal sequences of triangle A008459 (Pascal squares). T(n,k) for n >= 0 and k = 0..2*n.

Table of values

n a(n)
0 1
1 1
2 3
3 2
4 1
5 8
6 19
7 18
8 6
9 1
10 15
11 69
12 147
13 162
14 90
15 20
16 1
17 24
18 176
19 624
20 1251
21 1500
22 1070
23 420
24 70
25 1
26 35
27 370
28 1920
29 5835
30 11253
31 14240
32 11830
33 6230
34 1890
35 252
36 1
37 48
38 687
39 4850
40 20385
41 55908
42 104959
43 137886
44 127050
45 80640
46 33642
47 8316
48 924
49 1
50 63
51 1169
52 10703
53 58821
54 214123
55 545629
56 1004307
57 1356194
58 1347318
59 974862
60 500346
61 172788
62 36036
63 3432

List of values

[1, 1, 3, 2, 1, 8, 19, 18, 6, 1, 15, 69, 147, 162, 90, 20, 1, 24, 176, 624, 1251, 1500, 1070, 420, 70, 1, 35, 370, 1920, 5835, 11253, 14240, 11830, 6230, 1890, 252, 1, 48, 687, 4850, 20385, 55908, 104959, 137886, 127050, 80640, 33642, 8316, 924, 1, 63, 1169, 10703, 58821, 214123, 545629, 1004307, 1356194, 1347318, 974862, 500346, 172788, 36036, 3432]