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.

A060796 Upper central divisor of n-th primorial.

Table of values

n a(n)
1 2
2 3
3 6
4 15
5 55
6 182
7 715
8 3135
9 15015
10 81345
11 448630
12 2733549
13 17490603
14 114388729
15 785147363
16 5708795638
17 43850489690
18 342503171205
19 2803419704514
20 23622001517543
21 201817933409378
22 1793779635410490
23 16342166369958702
24 154171363634898185
25 1518410187442699518
26 15259831781575946565

List of values

[2, 3, 6, 15, 55, 182, 715, 3135, 15015, 81345, 448630, 2733549, 17490603, 114388729, 785147363, 5708795638, 43850489690, 342503171205, 2803419704514, 23622001517543, 201817933409378, 1793779635410490, 16342166369958702, 154171363634898185, 1518410187442699518, 15259831781575946565]

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

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