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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.

A379103 Expansion of (1-3*x-sqrt(9*x^2-14*x+1))/4.

Table of values

n a(n)
0 0
1 1
2 5
3 35
4 295
5 2765
6 27705
7 290535
8 3148995
9 34995065
10 396602605
11 4566227435
12 53259218495
13 627982592965
14 7473163652705
15 89640387354735
16 1082664905352795
17 13155505626756465
18 160709002086562005
19 1972595405313408435
20 24315686632846439895
21 300886761671728853565
22 3736205372071338170505
23 46540791299676591116535

List of values

[0, 1, 5, 35, 295, 2765, 27705, 290535, 3148995, 34995065, 396602605, 4566227435, 53259218495, 627982592965, 7473163652705, 89640387354735, 1082664905352795, 13155505626756465, 160709002086562005, 1972595405313408435, 24315686632846439895, 300886761671728853565, 3736205372071338170505, 46540791299676591116535]

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

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