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.

A036223 Expansion of 1/(1-3*x)^10; 10-fold convolution of A000244 (powers of 3).

Table of values

n a(n)
0 1
1 30
2 495
3 5940
4 57915
5 486486
6 3648645
7 25019280
8 159497910
9 956987460
10 5454828522
11 29753610120
12 156206453130
13 793048146660
14 3908594437110
15 18761253298128
16 87943374834975
17 403504896301650
18 1815772033357425

List of values

[1, 30, 495, 5940, 57915, 486486, 3648645, 25019280, 159497910, 956987460, 5454828522, 29753610120, 156206453130, 793048146660, 3908594437110, 18761253298128, 87943374834975, 403504896301650, 1815772033357425]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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