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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.

A038273 Triangle whose (i,j)-th entry is binomial(i,j)*7^(i-j)*7^j.

Table of values

n a(n)
0 1
1 7
2 7
3 49
4 98
5 49
6 343
7 1029
8 1029
9 343
10 2401
11 9604
12 14406
13 9604
14 2401
15 16807
16 84035
17 168070
18 168070
19 84035
20 16807
21 117649
22 705894
23 1764735
24 2352980
25 1764735
26 705894
27 117649
28 823543
29 5764801
30 17294403
31 28824005
32 28824005

List of values

[1, 7, 7, 49, 98, 49, 343, 1029, 1029, 343, 2401, 9604, 14406, 9604, 2401, 16807, 84035, 168070, 168070, 84035, 16807, 117649, 705894, 1764735, 2352980, 1764735, 705894, 117649, 823543, 5764801, 17294403, 28824005, 28824005]