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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.

A088989 Denominators of coefficients of odd powers of 1/q in the solution series for Tan[x]/x=1.

Table of values

n a(n)
1 1
2 3
3 15
4 105
5 315
6 3465
7 675675
8 2027025
9 241215975
10 587577375
11 138881925
12 1581170716125
13 140480936701875
14 219150261254925
15 32785574798851875
16 106717045970262853125
17 1424703093055003125
18 33615869480632798734375

List of values

[1, 3, 15, 105, 315, 3465, 675675, 2027025, 241215975, 587577375, 138881925, 1581170716125, 140480936701875, 219150261254925, 32785574798851875, 106717045970262853125, 1424703093055003125, 33615869480632798734375]

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

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