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.

A000624 Number of monosubstituted alkanes C(n)H(2n+1)-X of the form shown in the Comments lines that are not stereoisomers.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 1
6 3
7 4
8 9
9 13
10 26
11 40
12 74
13 118
14 210
15 342
16 595
17 981
18 1684
19 2798
20 4763
21 7951
22 13469
23 22548
24 38082
25 63862
26 107666
27 180740
28 304382
29 511292
30 860504
31 1445998
32 2432665
33 4088805
34 6877172
35 11560684
36 19441791
37 32684789
38 54961955
39 92404472
40 155377371
41 261235027

List of values

[0, 0, 0, 1, 1, 3, 4, 9, 13, 26, 40, 74, 118, 210, 342, 595, 981, 1684, 2798, 4763, 7951, 13469, 22548, 38082, 63862, 107666, 180740, 304382, 511292, 860504, 1445998, 2432665, 4088805, 6877172, 11560684, 19441791, 32684789, 54961955, 92404472, 155377371, 261235027]

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

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