A183534 - cp's OEIS frontend

A183534 Square array of generalized Ulam numbers U(n,k), n>=1, k>=2, read by antidiagonals: U(n,k) = n if n<=k; for n>k, U(n,k) = least number > U(n-1,k) which is a unique sum of k distinct terms U(i,k) with i

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	3
10	4
11	1
12	2
13	3
14	6
15	6
16	1
17	2
18	3
19	4
20	9
21	8
22	1
23	2
24	3
25	4
26	10
27	10
28	11
29	1
30	2
31	3
32	4
33	5
34	16
35	11
36	13
37	1
38	2
39	3
40	4
41	5
42	15
43	17
44	12
45	16
46	1
47	2
48	3
49	4
50	5
51	6
52	25
53	18
54	28
55	18
56	1
57	2
58	3
59	4
60	5
61	6
62	21
63	26
64	19
65	29
66	26
67	1
68	2
69	3
70	4
71	5
72	6
73	7
74	36
75	27
76	22
77	30
78	28
79	1
80	2
81	3
82	4
83	5
84	6
85	7
86	28
87	37
88	28
89	64
90	53
91	36

[1, 1, 2, 1, 2, 3, 1, 2, 3, 4, 1, 2, 3, 6, 6, 1, 2, 3, 4, 9, 8, 1, 2, 3, 4, 10, 10, 11, 1, 2, 3, 4, 5, 16, 11, 13, 1, 2, 3, 4, 5, 15, 17, 12, 16, 1, 2, 3, 4, 5, 6, 25, 18, 28, 18, 1, 2, 3, 4, 5, 6, 21, 26, 19, 29, 26, 1, 2, 3, 4, 5, 6, 7, 36, 27, 22, 30, 28, 1, 2, 3, 4, 5, 6, 7, 28, 37, 28, 64, 53, 36]

cp's OEIS Frontend

A183534 Square array of generalized Ulam numbers U(n,k), n>=1, k>=2, read by antidiagonals: U(n,k) = n if n<=k; for n>k, U(n,k) = least number > U(n-1,k) which is a unique sum of k distinct terms U(i,k) with i

Table of values

List of values

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	3
10	4
11	1
12	2
13	3
14	6
15	6
16	1
17	2
18	3
19	4
20	9
21	8
22	1
23	2
24	3
25	4
26	10
27	10
28	11
29	1
30	2
31	3
32	4
33	5
34	16
35	11
36	13
37	1
38	2
39	3
40	4
41	5
42	15
43	17
44	12
45	16
46	1
47	2
48	3
49	4
50	5
51	6
52	25
53	18
54	28
55	18
56	1
57	2
58	3
59	4
60	5
61	6
62	21
63	26
64	19
65	29
66	26
67	1
68	2
69	3
70	4
71	5
72	6
73	7
74	36
75	27
76	22
77	30
78	28
79	1
80	2
81	3
82	4
83	5
84	6
85	7
86	28
87	37
88	28
89	64
90	53
91	36

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	3
10	4
11	1
12	2
13	3
14	6
15	6
16	1
17	2
18	3
19	4
20	9
21	8
22	1
23	2
24	3
25	4
26	10
27	10
28	11
29	1
30	2
31	3
32	4
33	5
34	16
35	11
36	13
37	1
38	2
39	3
40	4
41	5
42	15
43	17
44	12
45	16
46	1
47	2
48	3
49	4
50	5
51	6
52	25
53	18
54	28
55	18
56	1
57	2
58	3
59	4
60	5
61	6
62	21
63	26
64	19
65	29
66	26
67	1
68	2
69	3
70	4
71	5
72	6
73	7
74	36
75	27
76	22
77	30
78	28
79	1
80	2
81	3
82	4
83	5
84	6
85	7
86	28
87	37
88	28
89	64
90	53
91	36

n	a(n)
1	1
2	1
3	2
4	1
5	2
6	3
7	1
8	2
9	3
10	4
11	1
12	2
13	3
14	6
15	6
16	1
17	2
18	3
19	4
20	9
21	8
22	1
23	2
24	3
25	4
26	10
27	10
28	11
29	1
30	2
31	3
32	4
33	5
34	16
35	11
36	13
37	1
38	2
39	3
40	4
41	5
42	15
43	17
44	12
45	16
46	1
47	2
48	3
49	4
50	5
51	6
52	25
53	18
54	28
55	18
56	1
57	2
58	3
59	4
60	5
61	6
62	21
63	26
64	19
65	29
66	26
67	1
68	2
69	3
70	4
71	5
72	6
73	7
74	36
75	27
76	22
77	30
78	28
79	1
80	2
81	3
82	4
83	5
84	6
85	7
86	28
87	37
88	28
89	64
90	53
91	36