A162621 - cp's OEIS frontend

A162621 Triangle read by rows in which row n lists n consecutive natural numbers A000027, starting with A014689(n+1) = A000040(n+1)-n-1.

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	7
12	8
13	9
14	10
15	11
16	10
17	11
18	12
19	13
20	14
21	15
22	11
23	12
24	13
25	14
26	15
27	16
28	17
29	14
30	15
31	16
32	17
33	18
34	19
35	20
36	21
37	19
38	20
39	21
40	22
41	23
42	24
43	25
44	26
45	27
46	20
47	21
48	22
49	23
50	24
51	25
52	26
53	27
54	28
55	29
56	25
57	26
58	27
59	28
60	29
61	30
62	31
63	32
64	33
65	33
66	34
67	35
68	28
69	29
70	30
71	31
72	32
73	33
74	34

[1, 2, 3, 3, 4, 5, 6, 7, 8, 9, 7, 8, 9, 10, 11, 10, 11, 12, 13, 14, 15, 11, 12, 13, 14, 15, 16, 17, 14, 15, 16, 17, 18, 19, 20, 21, 19, 20, 21, 22, 23, 24, 25, 26, 27, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 25, 26, 27, 28, 29, 30, 31, 32, 33, 33, 34, 35, 28, 29, 30, 31, 32, 33, 34]

cp's OEIS Frontend

A162621 Triangle read by rows in which row n lists n consecutive natural numbers A000027, starting with A014689(n+1) = A000040(n+1)-n-1.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	7
12	8
13	9
14	10
15	11
16	10
17	11
18	12
19	13
20	14
21	15
22	11
23	12
24	13
25	14
26	15
27	16
28	17
29	14
30	15
31	16
32	17
33	18
34	19
35	20
36	21
37	19
38	20
39	21
40	22
41	23
42	24
43	25
44	26
45	27
46	20
47	21
48	22
49	23
50	24
51	25
52	26
53	27
54	28
55	29
56	25
57	26
58	27
59	28
60	29
61	30
62	31
63	32
64	33
65	33
66	34
67	35
68	28
69	29
70	30
71	31
72	32
73	33
74	34

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	7
12	8
13	9
14	10
15	11
16	10
17	11
18	12
19	13
20	14
21	15
22	11
23	12
24	13
25	14
26	15
27	16
28	17
29	14
30	15
31	16
32	17
33	18
34	19
35	20
36	21
37	19
38	20
39	21
40	22
41	23
42	24
43	25
44	26
45	27
46	20
47	21
48	22
49	23
50	24
51	25
52	26
53	27
54	28
55	29
56	25
57	26
58	27
59	28
60	29
61	30
62	31
63	32
64	33
65	33
66	34
67	35
68	28
69	29
70	30
71	31
72	32
73	33
74	34

n	a(n)
1	1
2	2
3	3
4	3
5	4
6	5
7	6
8	7
9	8
10	9
11	7
12	8
13	9
14	10
15	11
16	10
17	11
18	12
19	13
20	14
21	15
22	11
23	12
24	13
25	14
26	15
27	16
28	17
29	14
30	15
31	16
32	17
33	18
34	19
35	20
36	21
37	19
38	20
39	21
40	22
41	23
42	24
43	25
44	26
45	27
46	20
47	21
48	22
49	23
50	24
51	25
52	26
53	27
54	28
55	29
56	25
57	26
58	27
59	28
60	29
61	30
62	31
63	32
64	33
65	33
66	34
67	35
68	28
69	29
70	30
71	31
72	32
73	33
74	34