A002977 - cp's OEIS frontend

A002977 Klarner-Rado sequence: a(1) = 1; subsequent terms are defined by the rule that if m is present so are 2m+1 and 3m+1.

n	a(n)
1	1
2	3
3	4
4	7
5	9
6	10
7	13
8	15
9	19
10	21
11	22
12	27
13	28
14	31
15	39
16	40
17	43
18	45
19	46
20	55
21	57
22	58
23	63
24	64
25	67
26	79
27	81
28	82
29	85
30	87
31	91
32	93
33	94
34	111
35	115
36	117
37	118
38	121
39	127
40	129
41	130
42	135
43	136
44	139
45	159
46	163
47	165
48	166
49	171
50	172
51	175
52	183
53	187
54	189
55	190
56	193
57	202
58	223
59	231
60	235
61	237

[1, 3, 4, 7, 9, 10, 13, 15, 19, 21, 22, 27, 28, 31, 39, 40, 43, 45, 46, 55, 57, 58, 63, 64, 67, 79, 81, 82, 85, 87, 91, 93, 94, 111, 115, 117, 118, 121, 127, 129, 130, 135, 136, 139, 159, 163, 165, 166, 171, 172, 175, 183, 187, 189, 190, 193, 202, 223, 231, 235, 237]

cp's OEIS Frontend

A002977 Klarner-Rado sequence: a(1) = 1; subsequent terms are defined by the rule that if m is present so are 2m+1 and 3m+1.

Table of values

List of values

n	a(n)
1	1
2	3
3	4
4	7
5	9
6	10
7	13
8	15
9	19
10	21
11	22
12	27
13	28
14	31
15	39
16	40
17	43
18	45
19	46
20	55
21	57
22	58
23	63
24	64
25	67
26	79
27	81
28	82
29	85
30	87
31	91
32	93
33	94
34	111
35	115
36	117
37	118
38	121
39	127
40	129
41	130
42	135
43	136
44	139
45	159
46	163
47	165
48	166
49	171
50	172
51	175
52	183
53	187
54	189
55	190
56	193
57	202
58	223
59	231
60	235
61	237

n	a(n)
1	1
2	3
3	4
4	7
5	9
6	10
7	13
8	15
9	19
10	21
11	22
12	27
13	28
14	31
15	39
16	40
17	43
18	45
19	46
20	55
21	57
22	58
23	63
24	64
25	67
26	79
27	81
28	82
29	85
30	87
31	91
32	93
33	94
34	111
35	115
36	117
37	118
38	121
39	127
40	129
41	130
42	135
43	136
44	139
45	159
46	163
47	165
48	166
49	171
50	172
51	175
52	183
53	187
54	189
55	190
56	193
57	202
58	223
59	231
60	235
61	237

n	a(n)
1	1
2	3
3	4
4	7
5	9
6	10
7	13
8	15
9	19
10	21
11	22
12	27
13	28
14	31
15	39
16	40
17	43
18	45
19	46
20	55
21	57
22	58
23	63
24	64
25	67
26	79
27	81
28	82
29	85
30	87
31	91
32	93
33	94
34	111
35	115
36	117
37	118
38	121
39	127
40	129
41	130
42	135
43	136
44	139
45	159
46	163
47	165
48	166
49	171
50	172
51	175
52	183
53	187
54	189
55	190
56	193
57	202
58	223
59	231
60	235
61	237