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.

A233437 Floor(Primorial(n) / compositorial(n)), that is, floor(A002110(n) / A036691(n)).

Table of values

n a(n)
12 1
13 2
14 4
15 8
16 18
17 39
18 85
19 191
20 425
21 940
22 2185
23 5183
24 12814
25 32711
26 84715
27 218141
28 555741
29 1376723
30 3457106
31 9544621
32 26048861
33 72830491
34 202468765
35 591526393
36 1717701641
37 4994058475
38 14800573301
39 44137423952
40 133960953399
41 413431218250
42 1247184175056
43 3842131894125

List of values

[1, 2, 4, 8, 18, 39, 85, 191, 425, 940, 2185, 5183, 12814, 32711, 84715, 218141, 555741, 1376723, 3457106, 9544621, 26048861, 72830491, 202468765, 591526393, 1717701641, 4994058475, 14800573301, 44137423952, 133960953399, 413431218250, 1247184175056, 3842131894125]

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

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