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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.

A056607 a(n) is the n-th primorial divided by squarefree kernel of corresponding central binomial coefficient.

Table of values

n a(n)
1 2
2 3
3 10
4 35
5 231
6 3003
7 14586
8 138567
9 5311735
10 154040315
11 434113615
12 16062203755
13 354604036745
14 15247973580035
15 286661903304658
16 7596540437573437
17 79093391614735197
18 4824696888498847017
19 85067024086690197405
20 6039758710155004015755
21 230948868774022296411965

List of values

[2, 3, 10, 35, 231, 3003, 14586, 138567, 5311735, 154040315, 434113615, 16062203755, 354604036745, 15247973580035, 286661903304658, 7596540437573437, 79093391614735197, 4824696888498847017, 85067024086690197405, 6039758710155004015755, 230948868774022296411965]

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

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