A056232 - cp's OEIS frontend

A056232 Form an array with 3 rows: row 1 begins with 1; all rows are increasing; each entry is sum of 2 entries above it; each number appears at most once; smallest unused number is appended to first row if possible. Sequence gives row 2.

n	a(n)
1	3
2	6
3	11
4	15
5	18
6	22
7	25
8	27
9	30
10	35
11	39
12	41
13	44
14	51
15	59
16	63
17	66
18	70
19	73
20	75
21	81
22	88
23	91
24	94
25	97
26	99
27	103
28	107
29	109
30	111
31	114
32	118
33	121
34	123
35	126
36	131
37	135
38	137
39	140
40	147
41	153
42	155
43	157
44	161
45	165
46	167
47	170
48	173
49	176
50	181
51	188
52	194
53	198
54	201
55	203

[3, 6, 11, 15, 18, 22, 25, 27, 30, 35, 39, 41, 44, 51, 59, 63, 66, 70, 73, 75, 81, 88, 91, 94, 97, 99, 103, 107, 109, 111, 114, 118, 121, 123, 126, 131, 135, 137, 140, 147, 153, 155, 157, 161, 165, 167, 170, 173, 176, 181, 188, 194, 198, 201, 203]

cp's OEIS Frontend

A056232 Form an array with 3 rows: row 1 begins with 1; all rows are increasing; each entry is sum of 2 entries above it; each number appears at most once; smallest unused number is appended to first row if possible. Sequence gives row 2.

Table of values

List of values

n	a(n)
1	3
2	6
3	11
4	15
5	18
6	22
7	25
8	27
9	30
10	35
11	39
12	41
13	44
14	51
15	59
16	63
17	66
18	70
19	73
20	75
21	81
22	88
23	91
24	94
25	97
26	99
27	103
28	107
29	109
30	111
31	114
32	118
33	121
34	123
35	126
36	131
37	135
38	137
39	140
40	147
41	153
42	155
43	157
44	161
45	165
46	167
47	170
48	173
49	176
50	181
51	188
52	194
53	198
54	201
55	203

n	a(n)
1	3
2	6
3	11
4	15
5	18
6	22
7	25
8	27
9	30
10	35
11	39
12	41
13	44
14	51
15	59
16	63
17	66
18	70
19	73
20	75
21	81
22	88
23	91
24	94
25	97
26	99
27	103
28	107
29	109
30	111
31	114
32	118
33	121
34	123
35	126
36	131
37	135
38	137
39	140
40	147
41	153
42	155
43	157
44	161
45	165
46	167
47	170
48	173
49	176
50	181
51	188
52	194
53	198
54	201
55	203

n	a(n)
1	3
2	6
3	11
4	15
5	18
6	22
7	25
8	27
9	30
10	35
11	39
12	41
13	44
14	51
15	59
16	63
17	66
18	70
19	73
20	75
21	81
22	88
23	91
24	94
25	97
26	99
27	103
28	107
29	109
30	111
31	114
32	118
33	121
34	123
35	126
36	131
37	135
38	137
39	140
40	147
41	153
42	155
43	157
44	161
45	165
46	167
47	170
48	173
49	176
50	181
51	188
52	194
53	198
54	201
55	203