A354184 - cp's OEIS frontend

A354184 a(1) = a(2) = 1, a(n) = (A007947(31a(n-1)) + A007947(31a(n-2)))/31 for n >= 3, i.e., 31a(n) is the largest squarefree divisor of 31a(n-1) plus the largest squarefree divisor of 31*a(n-2).

n	a(n)
1	1
2	1
3	2
4	3
5	5
6	8
7	7
8	9
9	10
10	13
11	23
12	36
13	29
14	35
15	64
16	37
17	39
18	76
19	77
20	115
21	192
22	121
23	17
24	28
25	31
26	15
27	16
28	17
29	19
30	36
31	25
32	11
33	16
34	13
35	15
36	28
37	29
38	43
39	72
40	49
41	13
42	20
43	23
44	33
45	56
46	47
47	61
48	108
49	67
50	73
51	140
52	143
53	213
54	356
55	391
56	569
57	960
58	599
59	629
60	1228
61	1243
62	1857
63	3100
64	1867

[1, 1, 2, 3, 5, 8, 7, 9, 10, 13, 23, 36, 29, 35, 64, 37, 39, 76, 77, 115, 192, 121, 17, 28, 31, 15, 16, 17, 19, 36, 25, 11, 16, 13, 15, 28, 29, 43, 72, 49, 13, 20, 23, 33, 56, 47, 61, 108, 67, 73, 140, 143, 213, 356, 391, 569, 960, 599, 629, 1228, 1243, 1857, 3100, 1867]

cp's OEIS Frontend

A354184 a(1) = a(2) = 1, a(n) = (A007947(31a(n-1)) + A007947(31a(n-2)))/31 for n >= 3, i.e., 31a(n) is the largest squarefree divisor of 31a(n-1) plus the largest squarefree divisor of 31*a(n-2).

Table of values

List of values

cp's OEIS Frontend

A354184 a(1) = a(2) = 1, a(n) = (A007947(31*a(n-1)) + A007947(31*a(n-2)))/31 for n >= 3, i.e., 31*a(n) is the largest squarefree divisor of 31*a(n-1) plus the largest squarefree divisor of 31*a(n-2).

Table of values

List of values

A354184 a(1) = a(2) = 1, a(n) = (A007947(31a(n-1)) + A007947(31a(n-2)))/31 for n >= 3, i.e., 31a(n) is the largest squarefree divisor of 31a(n-1) plus the largest squarefree divisor of 31*a(n-2).