A360995 - cp's OEIS frontend

A360995 a(1)=0, a(2)=4, and thereafter a(n) is the smallest unused difference between two numbers whose product is equal to a(n-1)*a(n-2).

n	a(n)
1	0
2	4
3	1
4	3
5	2
6	5
7	9
8	12
9	23
10	11
11	252
12	19
13	13
14	6
15	7
16	41
17	34
18	65
19	31
20	142
21	111
22	139
23	28
24	264
25	46
26	40
27	57
28	17
29	32
30	15
31	14
32	29
33	51
34	22
35	49
36	27
37	42
38	33
39	45
40	84
41	16
42	10
43	36
44	18
45	63
46	67
47	180
48	44
49	38
50	54
51	21
52	117
53	24
54	77
55	53
56	360
57	39
58	66
59	73
60	113
61	8248
62	127
63	1554
64	137

[0, 4, 1, 3, 2, 5, 9, 12, 23, 11, 252, 19, 13, 6, 7, 41, 34, 65, 31, 142, 111, 139, 28, 264, 46, 40, 57, 17, 32, 15, 14, 29, 51, 22, 49, 27, 42, 33, 45, 84, 16, 10, 36, 18, 63, 67, 180, 44, 38, 54, 21, 117, 24, 77, 53, 360, 39, 66, 73, 113, 8248, 127, 1554, 137]

cp's OEIS Frontend

A360995 a(1)=0, a(2)=4, and thereafter a(n) is the smallest unused difference between two numbers whose product is equal to a(n-1)*a(n-2).

Table of values

List of values