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.

A025012 Central heptanomial coefficients: largest coefficient of (1+x+...+x^6)^n.

Table of values

n a(n)
0 1
1 1
2 7
3 37
4 231
5 1451
6 9331
7 60691
8 398567
9 2636263
10 17538157
11 117224317
12 786588243
13 5295520699
14 35751527189
15 241958082737
16 1641010879207
17 11150608945863
18 75894449584849
19 517331384963959
20 3531097638576781
21 24131083600660801
22 165090433568378523

List of values

[1, 1, 7, 37, 231, 1451, 9331, 60691, 398567, 2636263, 17538157, 117224317, 786588243, 5295520699, 35751527189, 241958082737, 1641010879207, 11150608945863, 75894449584849, 517331384963959, 3531097638576781, 24131083600660801, 165090433568378523]