A371359 - cp's OEIS frontend

A371359 a(1)=1; for n>1, a(n) = a(n-1) / k if there exists an unused positive integer k (choose the smallest) such that a(n) is a distinct positive integer; otherwise a(n) = a(n-1) * k if the same conditions apply.

n	a(n)
1	1
2	2
3	6
4	24
5	4
6	20
7	140
8	14
9	112
10	8
11	72
12	3
13	33
14	396
15	22
16	286
17	13
18	195
19	5
20	80
21	1360
22	68
23	1292
24	38
25	798
26	21
27	483
28	7
29	175
30	4550
31	130
32	3510
33	117
34	3276
35	91
36	2639
37	29
38	899
39	28768
40	496
41	16368
42	372
43	13764
44	222
45	8880
46	185
47	7585
48	41
49	1722
50	74046
51	903
52	40635
53	645
54	29670

[1, 2, 6, 24, 4, 20, 140, 14, 112, 8, 72, 3, 33, 396, 22, 286, 13, 195, 5, 80, 1360, 68, 1292, 38, 798, 21, 483, 7, 175, 4550, 130, 3510, 117, 3276, 91, 2639, 29, 899, 28768, 496, 16368, 372, 13764, 222, 8880, 185, 7585, 41, 1722, 74046, 903, 40635, 645, 29670]

cp's OEIS Frontend

A371359 a(1)=1; for n>1, a(n) = a(n-1) / k if there exists an unused positive integer k (choose the smallest) such that a(n) is a distinct positive integer; otherwise a(n) = a(n-1) * k if the same conditions apply.

Table of values

List of values