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.

A135504 a(1)=1; for n>1, a(n) = a(n-1) + lcm(a(n-1),n).

Table of values

n a(n)
1 1
2 3
3 6
4 18
5 108
6 216
7 1728
8 3456
9 6912
10 41472
11 497664
12 995328
13 13934592
14 27869184
15 167215104
16 334430208
17 6019743744
18 12039487488
19 240789749760
20 481579499520
21 963158999040
22 11557907988480
23 277389791723520
24 554779583447040

List of values

[1, 3, 6, 18, 108, 216, 1728, 3456, 6912, 41472, 497664, 995328, 13934592, 27869184, 167215104, 334430208, 6019743744, 12039487488, 240789749760, 481579499520, 963158999040, 11557907988480, 277389791723520, 554779583447040]

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

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