A060781 - cp's OEIS frontend

A060781 a(n) = lcm(sigma(n+1), sigma(n)), where sigma = A000203.

n	a(n)
1	3
2	12
3	28
4	42
5	12
6	24
7	120
8	195
9	234
10	36
11	84
12	28
13	168
14	24
15	744
16	558
17	234
18	780
19	420
20	672
21	288
22	72
23	120
24	1860
25	1302
26	840
27	280
28	840
29	360
30	288
31	2016
32	1008
33	432
34	432
35	4368
36	3458
37	1140
38	840
39	2520
40	630
41	672
42	1056
43	924
44	1092
45	936
46	144
47	1488
48	7068
49	1767
50	2232
51	3528

[3, 12, 28, 42, 12, 24, 120, 195, 234, 36, 84, 28, 168, 24, 744, 558, 234, 780, 420, 672, 288, 72, 120, 1860, 1302, 840, 280, 840, 360, 288, 2016, 1008, 432, 432, 4368, 3458, 1140, 840, 2520, 630, 672, 1056, 924, 1092, 936, 144, 1488, 7068, 1767, 2232, 3528]

cp's OEIS Frontend

A060781 a(n) = lcm(sigma(n+1), sigma(n)), where sigma = A000203.

Table of values

List of values