A080328 - cp's OEIS frontend

A080328 Smaller of the two Ulam numbers that sum to the n-th Ulam number.

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	2
7	3
8	2
9	3
10	2
11	8
12	2
13	8
14	2
15	11
16	1
17	6
18	4
19	26
20	16
21	3
22	8
23	13
24	18
25	28
26	2
27	3
28	4
29	8
30	57
31	62
32	36
33	48
34	3
35	53
36	69
37	2
38	3
39	2
40	87
41	8
42	26
43	3
44	13
45	2
46	47
47	2
48	3
49	2
50	47
51	69
52	2
53	13
54	102
55	36
56	97
57	3
58	8
59	57
60	2
61	47
62	2
63	47
64	97
65	26
66	8
67	18
68	2
69	53
70	3
71	2
72	47
73	2
74	3
75	102
76	69
77	47
78	69
79	2
80	97
81	102

[0, 0, 1, 1, 2, 2, 3, 2, 3, 2, 8, 2, 8, 2, 11, 1, 6, 4, 26, 16, 3, 8, 13, 18, 28, 2, 3, 4, 8, 57, 62, 36, 48, 3, 53, 69, 2, 3, 2, 87, 8, 26, 3, 13, 2, 47, 2, 3, 2, 47, 69, 2, 13, 102, 36, 97, 3, 8, 57, 2, 47, 2, 47, 97, 26, 8, 18, 2, 53, 3, 2, 47, 2, 3, 102, 69, 47, 69, 2, 97, 102]

cp's OEIS Frontend

A080328 Smaller of the two Ulam numbers that sum to the n-th Ulam number.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	2
7	3
8	2
9	3
10	2
11	8
12	2
13	8
14	2
15	11
16	1
17	6
18	4
19	26
20	16
21	3
22	8
23	13
24	18
25	28
26	2
27	3
28	4
29	8
30	57
31	62
32	36
33	48
34	3
35	53
36	69
37	2
38	3
39	2
40	87
41	8
42	26
43	3
44	13
45	2
46	47
47	2
48	3
49	2
50	47
51	69
52	2
53	13
54	102
55	36
56	97
57	3
58	8
59	57
60	2
61	47
62	2
63	47
64	97
65	26
66	8
67	18
68	2
69	53
70	3
71	2
72	47
73	2
74	3
75	102
76	69
77	47
78	69
79	2
80	97
81	102

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	2
7	3
8	2
9	3
10	2
11	8
12	2
13	8
14	2
15	11
16	1
17	6
18	4
19	26
20	16
21	3
22	8
23	13
24	18
25	28
26	2
27	3
28	4
29	8
30	57
31	62
32	36
33	48
34	3
35	53
36	69
37	2
38	3
39	2
40	87
41	8
42	26
43	3
44	13
45	2
46	47
47	2
48	3
49	2
50	47
51	69
52	2
53	13
54	102
55	36
56	97
57	3
58	8
59	57
60	2
61	47
62	2
63	47
64	97
65	26
66	8
67	18
68	2
69	53
70	3
71	2
72	47
73	2
74	3
75	102
76	69
77	47
78	69
79	2
80	97
81	102

n	a(n)
1	0
2	0
3	1
4	1
5	2
6	2
7	3
8	2
9	3
10	2
11	8
12	2
13	8
14	2
15	11
16	1
17	6
18	4
19	26
20	16
21	3
22	8
23	13
24	18
25	28
26	2
27	3
28	4
29	8
30	57
31	62
32	36
33	48
34	3
35	53
36	69
37	2
38	3
39	2
40	87
41	8
42	26
43	3
44	13
45	2
46	47
47	2
48	3
49	2
50	47
51	69
52	2
53	13
54	102
55	36
56	97
57	3
58	8
59	57
60	2
61	47
62	2
63	47
64	97
65	26
66	8
67	18
68	2
69	53
70	3
71	2
72	47
73	2
74	3
75	102
76	69
77	47
78	69
79	2
80	97
81	102