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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.

A324962 a(n) is the coefficient of y^n in Product_{k=0..n} (1 + (k+2)*y + y^2), for n >= 0.

Table of values

n a(n)
0 1
1 5
2 29
3 196
4 1519
5 13293
6 129681
7 1395504
8 16420458
9 209724450
10 2889435185
11 42711906510
12 674273776409
13 11321518590991
14 201460954569411
15 3787078288117632
16 74989404135333176
17 1560115234974759624
18 34021998346437480754
19 776044059807136053020
20 18479631810762197072198
21 458571995526115351079650
22 11839067860288617013759941
23 317516454727719391340475084
24 8833750915068037494754203780
25 254617921422661239086243462460
26 7594011177768010264119760374795

List of values

[1, 5, 29, 196, 1519, 13293, 129681, 1395504, 16420458, 209724450, 2889435185, 42711906510, 674273776409, 11321518590991, 201460954569411, 3787078288117632, 74989404135333176, 1560115234974759624, 34021998346437480754, 776044059807136053020, 18479631810762197072198, 458571995526115351079650, 11839067860288617013759941, 317516454727719391340475084, 8833750915068037494754203780, 254617921422661239086243462460, 7594011177768010264119760374795]

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