A253028 - cp's OEIS frontend

A253028 A fractal array resembling the shape of a conifer tree read by rows. A mirror symmetric array of numbers where the n-th term is equal to the number of terms in the n-th row of the array.

n	a(n)
1	1
2	2
3	3
4	4
5	1
6	5
7	6
8	2
9	3
10	7
11	8
12	9
13	4
14	1
15	5
16	10
17	11
18	6
19	2
20	3
21	7
22	12
23	13
24	14
25	15
26	8
27	16
28	17
29	9
30	4
31	1
32	5
33	10
34	18
35	19
36	11
37	6
38	2
39	3
40	7
41	12
42	20
43	21
44	13
45	8
46	4
47	1
48	5
49	9
50	14
51	22
52	23
53	15
54	16
55	24
56	25
57	26
58	17
59	10
60	18
61	27
62	28
63	19
64	11
65	6
66	2
67	3
68	7
69	12
70	20
71	29
72	30
73	21
74	13
75	8

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

cp's OEIS Frontend

A253028 A fractal array resembling the shape of a conifer tree read by rows. A mirror symmetric array of numbers where the n-th term is equal to the number of terms in the n-th row of the array.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	1
6	5
7	6
8	2
9	3
10	7
11	8
12	9
13	4
14	1
15	5
16	10
17	11
18	6
19	2
20	3
21	7
22	12
23	13
24	14
25	15
26	8
27	16
28	17
29	9
30	4
31	1
32	5
33	10
34	18
35	19
36	11
37	6
38	2
39	3
40	7
41	12
42	20
43	21
44	13
45	8
46	4
47	1
48	5
49	9
50	14
51	22
52	23
53	15
54	16
55	24
56	25
57	26
58	17
59	10
60	18
61	27
62	28
63	19
64	11
65	6
66	2
67	3
68	7
69	12
70	20
71	29
72	30
73	21
74	13
75	8

n	a(n)
1	1
2	2
3	3
4	4
5	1
6	5
7	6
8	2
9	3
10	7
11	8
12	9
13	4
14	1
15	5
16	10
17	11
18	6
19	2
20	3
21	7
22	12
23	13
24	14
25	15
26	8
27	16
28	17
29	9
30	4
31	1
32	5
33	10
34	18
35	19
36	11
37	6
38	2
39	3
40	7
41	12
42	20
43	21
44	13
45	8
46	4
47	1
48	5
49	9
50	14
51	22
52	23
53	15
54	16
55	24
56	25
57	26
58	17
59	10
60	18
61	27
62	28
63	19
64	11
65	6
66	2
67	3
68	7
69	12
70	20
71	29
72	30
73	21
74	13
75	8

n	a(n)
1	1
2	2
3	3
4	4
5	1
6	5
7	6
8	2
9	3
10	7
11	8
12	9
13	4
14	1
15	5
16	10
17	11
18	6
19	2
20	3
21	7
22	12
23	13
24	14
25	15
26	8
27	16
28	17
29	9
30	4
31	1
32	5
33	10
34	18
35	19
36	11
37	6
38	2
39	3
40	7
41	12
42	20
43	21
44	13
45	8
46	4
47	1
48	5
49	9
50	14
51	22
52	23
53	15
54	16
55	24
56	25
57	26
58	17
59	10
60	18
61	27
62	28
63	19
64	11
65	6
66	2
67	3
68	7
69	12
70	20
71	29
72	30
73	21
74	13
75	8