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.

A372849 Number of pairs of two disjoint sets of n positive integers more than 1 with product A354697.

Table of values

n a(n)
2 1
3 4
4 2
5 25
6 7
7 31
8 55
9 114
10 237
11 695
12 1666
13 2646
14 6928
15 42986
16 79098
17 126721
18 375348
19 667321
20 1831927
21 7130833
22 12067929
23 42973699
24 105786888
25 218943019
26 646950177
27 1476274502
28 3846678717
29 14320262729
30 46445678648
31 91771247330
32 182567269925

List of values

[1, 4, 2, 25, 7, 31, 55, 114, 237, 695, 1666, 2646, 6928, 42986, 79098, 126721, 375348, 667321, 1831927, 7130833, 12067929, 42973699, 105786888, 218943019, 646950177, 1476274502, 3846678717, 14320262729, 46445678648, 91771247330, 182567269925]

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

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