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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.

A387212 Expansion of sqrt((1-3*x) / (1-7*x)^3).

Table of values

n a(n)
0 1
1 9
2 75
3 599
4 4659
5 35595
6 268485
7 2005785
8 14873715
9 109643195
10 804354417
11 5877232773
12 42798735805
13 310767250773
14 2250899498763
15 16267896905895
16 117347641620435
17 845043416086635
18 6076092412278465
19 43629213402099045
20 312892629725930121
21 2241442380182752209

List of values

[1, 9, 75, 599, 4659, 35595, 268485, 2005785, 14873715, 109643195, 804354417, 5877232773, 42798735805, 310767250773, 2250899498763, 16267896905895, 117347641620435, 845043416086635, 6076092412278465, 43629213402099045, 312892629725930121, 2241442380182752209]

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

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