A360173 - cp's OEIS frontend

A360173 Irregular triangle (an infinite binary tree) read by rows. The tree has root node 0, in row n=0. Each node then has left child m - n if nonnegative and right child m + n. Where m is the value of the parent node and n is the row of the children.

n	a(n)
0	0
1	1
2	3
3	0
4	6
5	4
6	2
7	10
8	9
9	7
10	5
11	15
12	3
13	15
14	1
15	13
16	11
17	9
18	21
19	10
20	8
21	22
22	8
23	6
24	20
25	4
26	18
27	2
28	16
29	14
30	28
31	2
32	18
33	0
34	16
35	14
36	30
37	0
38	16
39	14
40	12
41	28
42	12
43	10
44	26
45	10
46	8
47	24
48	6
49	22
50	20
51	36
52	11
53	9
54	27
55	9
56	7
57	25
58	5
59	23
60	21
61	39
62	9
63	7
64	25
65	5
66	23
67	3
68	21
69	19
70	37
71	3
72	21

[0, 1, 3, 0, 6, 4, 2, 10, 9, 7, 5, 15, 3, 15, 1, 13, 11, 9, 21, 10, 8, 22, 8, 6, 20, 4, 18, 2, 16, 14, 28, 2, 18, 0, 16, 14, 30, 0, 16, 14, 12, 28, 12, 10, 26, 10, 8, 24, 6, 22, 20, 36, 11, 9, 27, 9, 7, 25, 5, 23, 21, 39, 9, 7, 25, 5, 23, 3, 21, 19, 37, 3, 21]

cp's OEIS Frontend

A360173 Irregular triangle (an infinite binary tree) read by rows. The tree has root node 0, in row n=0. Each node then has left child m - n if nonnegative and right child m + n. Where m is the value of the parent node and n is the row of the children.

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	0
4	6
5	4
6	2
7	10
8	9
9	7
10	5
11	15
12	3
13	15
14	1
15	13
16	11
17	9
18	21
19	10
20	8
21	22
22	8
23	6
24	20
25	4
26	18
27	2
28	16
29	14
30	28
31	2
32	18
33	0
34	16
35	14
36	30
37	0
38	16
39	14
40	12
41	28
42	12
43	10
44	26
45	10
46	8
47	24
48	6
49	22
50	20
51	36
52	11
53	9
54	27
55	9
56	7
57	25
58	5
59	23
60	21
61	39
62	9
63	7
64	25
65	5
66	23
67	3
68	21
69	19
70	37
71	3
72	21

n	a(n)
0	0
1	1
2	3
3	0
4	6
5	4
6	2
7	10
8	9
9	7
10	5
11	15
12	3
13	15
14	1
15	13
16	11
17	9
18	21
19	10
20	8
21	22
22	8
23	6
24	20
25	4
26	18
27	2
28	16
29	14
30	28
31	2
32	18
33	0
34	16
35	14
36	30
37	0
38	16
39	14
40	12
41	28
42	12
43	10
44	26
45	10
46	8
47	24
48	6
49	22
50	20
51	36
52	11
53	9
54	27
55	9
56	7
57	25
58	5
59	23
60	21
61	39
62	9
63	7
64	25
65	5
66	23
67	3
68	21
69	19
70	37
71	3
72	21

n	a(n)
0	0
1	1
2	3
3	0
4	6
5	4
6	2
7	10
8	9
9	7
10	5
11	15
12	3
13	15
14	1
15	13
16	11
17	9
18	21
19	10
20	8
21	22
22	8
23	6
24	20
25	4
26	18
27	2
28	16
29	14
30	28
31	2
32	18
33	0
34	16
35	14
36	30
37	0
38	16
39	14
40	12
41	28
42	12
43	10
44	26
45	10
46	8
47	24
48	6
49	22
50	20
51	36
52	11
53	9
54	27
55	9
56	7
57	25
58	5
59	23
60	21
61	39
62	9
63	7
64	25
65	5
66	23
67	3
68	21
69	19
70	37
71	3
72	21