A359035 - cp's OEIS frontend

A359035 a(n+1) is the smallest number not already used which can be written as the product of two numbers with the same difference as a(n) and a(n-1); a(1)=1 and a(2)=2.

n	a(n)
1	1
2	2
3	6
4	5
5	12
6	8
7	21
8	14
9	18
10	32
11	15
12	38
13	24
14	51
15	28
16	50
17	23
18	58
19	36
20	48
21	13
22	74
23	62
24	45
25	60
26	16
27	92
28	77
29	34
30	44
31	11
32	70
33	122
34	53
35	142
36	90
37	108
38	19
39	182
40	164
41	40
42	125
43	86
44	82
45	96
46	72
47	25
48	98
49	150
50	165
51	54
52	112
53	59
54	110
55	52
56	120
57	69
58	106
59	78
60	29
61	102
62	228
63	127
64	206
65	80
66	256
67	177
68	162

[1, 2, 6, 5, 12, 8, 21, 14, 18, 32, 15, 38, 24, 51, 28, 50, 23, 58, 36, 48, 13, 74, 62, 45, 60, 16, 92, 77, 34, 44, 11, 70, 122, 53, 142, 90, 108, 19, 182, 164, 40, 125, 86, 82, 96, 72, 25, 98, 150, 165, 54, 112, 59, 110, 52, 120, 69, 106, 78, 29, 102, 228, 127, 206, 80, 256, 177, 162]

cp's OEIS Frontend

A359035 a(n+1) is the smallest number not already used which can be written as the product of two numbers with the same difference as a(n) and a(n-1); a(1)=1 and a(2)=2.

Table of values

List of values

n	a(n)
1	1
2	2
3	6
4	5
5	12
6	8
7	21
8	14
9	18
10	32
11	15
12	38
13	24
14	51
15	28
16	50
17	23
18	58
19	36
20	48
21	13
22	74
23	62
24	45
25	60
26	16
27	92
28	77
29	34
30	44
31	11
32	70
33	122
34	53
35	142
36	90
37	108
38	19
39	182
40	164
41	40
42	125
43	86
44	82
45	96
46	72
47	25
48	98
49	150
50	165
51	54
52	112
53	59
54	110
55	52
56	120
57	69
58	106
59	78
60	29
61	102
62	228
63	127
64	206
65	80
66	256
67	177
68	162

n	a(n)
1	1
2	2
3	6
4	5
5	12
6	8
7	21
8	14
9	18
10	32
11	15
12	38
13	24
14	51
15	28
16	50
17	23
18	58
19	36
20	48
21	13
22	74
23	62
24	45
25	60
26	16
27	92
28	77
29	34
30	44
31	11
32	70
33	122
34	53
35	142
36	90
37	108
38	19
39	182
40	164
41	40
42	125
43	86
44	82
45	96
46	72
47	25
48	98
49	150
50	165
51	54
52	112
53	59
54	110
55	52
56	120
57	69
58	106
59	78
60	29
61	102
62	228
63	127
64	206
65	80
66	256
67	177
68	162

n	a(n)
1	1
2	2
3	6
4	5
5	12
6	8
7	21
8	14
9	18
10	32
11	15
12	38
13	24
14	51
15	28
16	50
17	23
18	58
19	36
20	48
21	13
22	74
23	62
24	45
25	60
26	16
27	92
28	77
29	34
30	44
31	11
32	70
33	122
34	53
35	142
36	90
37	108
38	19
39	182
40	164
41	40
42	125
43	86
44	82
45	96
46	72
47	25
48	98
49	150
50	165
51	54
52	112
53	59
54	110
55	52
56	120
57	69
58	106
59	78
60	29
61	102
62	228
63	127
64	206
65	80
66	256
67	177
68	162