A380231 - cp's OEIS frontend

A380231 Alternating row sums of triangle A237591.

n	a(n)
1	1
2	2
3	1
4	2
5	1
6	4
7	3
8	4
9	5
10	4
11	3
12	6
13	5
14	4
15	7
16	8
17	7
18	8
19	7
20	10
21	9
22	8
23	7
24	10
25	11
26	10
27	9
28	12
29	11
30	14
31	13
32	14
33	13
34	12
35	15
36	16
37	15
38	14
39	13
40	16
41	15
42	18
43	17
44	16
45	19
46	18
47	17
48	20
49	21
50	22
51	21
52	20
53	19
54	22
55	21
56	24
57	23
58	22
59	21
60	24
61	23
62	22
63	25
64	26
65	25
66	28
67	27
68	26
69	25
70	28
71	27
72	32
73	31
74	30
75	29
76	28
77	31
78	30
79	29

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

cp's OEIS Frontend

A380231 Alternating row sums of triangle A237591.

Table of values

List of values

n	a(n)
1	1
2	2
3	1
4	2
5	1
6	4
7	3
8	4
9	5
10	4
11	3
12	6
13	5
14	4
15	7
16	8
17	7
18	8
19	7
20	10
21	9
22	8
23	7
24	10
25	11
26	10
27	9
28	12
29	11
30	14
31	13
32	14
33	13
34	12
35	15
36	16
37	15
38	14
39	13
40	16
41	15
42	18
43	17
44	16
45	19
46	18
47	17
48	20
49	21
50	22
51	21
52	20
53	19
54	22
55	21
56	24
57	23
58	22
59	21
60	24
61	23
62	22
63	25
64	26
65	25
66	28
67	27
68	26
69	25
70	28
71	27
72	32
73	31
74	30
75	29
76	28
77	31
78	30
79	29

n	a(n)
1	1
2	2
3	1
4	2
5	1
6	4
7	3
8	4
9	5
10	4
11	3
12	6
13	5
14	4
15	7
16	8
17	7
18	8
19	7
20	10
21	9
22	8
23	7
24	10
25	11
26	10
27	9
28	12
29	11
30	14
31	13
32	14
33	13
34	12
35	15
36	16
37	15
38	14
39	13
40	16
41	15
42	18
43	17
44	16
45	19
46	18
47	17
48	20
49	21
50	22
51	21
52	20
53	19
54	22
55	21
56	24
57	23
58	22
59	21
60	24
61	23
62	22
63	25
64	26
65	25
66	28
67	27
68	26
69	25
70	28
71	27
72	32
73	31
74	30
75	29
76	28
77	31
78	30
79	29

n	a(n)
1	1
2	2
3	1
4	2
5	1
6	4
7	3
8	4
9	5
10	4
11	3
12	6
13	5
14	4
15	7
16	8
17	7
18	8
19	7
20	10
21	9
22	8
23	7
24	10
25	11
26	10
27	9
28	12
29	11
30	14
31	13
32	14
33	13
34	12
35	15
36	16
37	15
38	14
39	13
40	16
41	15
42	18
43	17
44	16
45	19
46	18
47	17
48	20
49	21
50	22
51	21
52	20
53	19
54	22
55	21
56	24
57	23
58	22
59	21
60	24
61	23
62	22
63	25
64	26
65	25
66	28
67	27
68	26
69	25
70	28
71	27
72	32
73	31
74	30
75	29
76	28
77	31
78	30
79	29