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.

A122032 Product of the first n 3-almost primes, divided by product of the first n primes, rounded down.

Table of values

n a(n)
1 4
2 16
3 57
4 164
5 403
6 870
7 1535
8 3393
9 6492
10 10075
11 16250
12 22837
13 35092
14 53862
15 77929
16 102925
17 130837
18 163010
19 189773
20 245903
21 330117
22 413691
23 508391
24 599788
25 680172
26 767719
27 864615
28 945420
29 1075524
30 1189739
31 1217843
32 1282919
33 1376563
34 1465693
35 1505040

List of values

[4, 16, 57, 164, 403, 870, 1535, 3393, 6492, 10075, 16250, 22837, 35092, 53862, 77929, 102925, 130837, 163010, 189773, 245903, 330117, 413691, 508391, 599788, 680172, 767719, 864615, 945420, 1075524, 1189739, 1217843, 1282919, 1376563, 1465693, 1505040]

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

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