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.

A277243 Number of factorizations of m^n into exactly seven factors, where m is a product of two distinct primes.

Table of values

n a(n)
0 1
1 2
2 9
3 31
4 108
5 325
6 938
7 2457
8 6128
9 14358
10 32123
11 68488
12 140478
13 277278
14 529624
15 980476
16 1765492
17 3097071
18 5306548
19 8893500
20 14607217
21 23542097
22 37285849
23 58094004
24 89148980
25 134862913
26 201312513
27 296746270
28 432288197
29 622756805
30 887772827
31 1253040268

List of values

[1, 2, 9, 31, 108, 325, 938, 2457, 6128, 14358, 32123, 68488, 140478, 277278, 529624, 980476, 1765492, 3097071, 5306548, 8893500, 14607217, 23542097, 37285849, 58094004, 89148980, 134862913, 201312513, 296746270, 432288197, 622756805, 887772827, 1253040268]

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

Content is available under The OEIS End-User License Agreement.