A385959 - cp's OEIS frontend

A385959 a(0) = 1; a(n) = a(n-1)*(b(n)+1)/(b(n)-1), where b(n) = A385958(n) is the largest prime p such that a(n) is an integer.

n	a(n)
0	1
1	2
2	3
3	4
4	6
5	7
6	14
7	15
8	16
9	18
10	19
11	38
12	57
13	76
14	114
15	115
16	120
17	121
18	132
19	135
20	136
21	138
22	139
23	278
24	279
25	310
26	312
27	314
28	471
29	628
30	942
31	1099
32	2198
33	2199
34	2932
35	4398
36	5131
37	10262
38	10995
39	10996
40	16494
41	19243
42	38486
43	41235
44	41236
45	41358
46	41471
47	41838
48	41841
49	46490
50	55788
51	55789
52	111578
53	167367
54	168554
55	252831
56	252832
57	252864

[1, 2, 3, 4, 6, 7, 14, 15, 16, 18, 19, 38, 57, 76, 114, 115, 120, 121, 132, 135, 136, 138, 139, 278, 279, 310, 312, 314, 471, 628, 942, 1099, 2198, 2199, 2932, 4398, 5131, 10262, 10995, 10996, 16494, 19243, 38486, 41235, 41236, 41358, 41471, 41838, 41841, 46490, 55788, 55789, 111578, 167367, 168554, 252831, 252832, 252864]

cp's OEIS Frontend

A385959 a(0) = 1; a(n) = a(n-1)*(b(n)+1)/(b(n)-1), where b(n) = A385958(n) is the largest prime p such that a(n) is an integer.

Table of values

List of values