A282905 - cp's OEIS frontend

A282905 Concatenation of the sums of elements of P{1}, P{1, 2}, P{1, 2, 3}, ..., P{1, 2, 3, ..., n}; where P{A} denote the power set of set A ordered by the size of the subsets, and in each subset, following the increasing order.

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

[1, 1, 2, 3, 1, 2, 3, 3, 4, 5, 6, 1, 2, 3, 4, 3, 4, 5, 5, 6, 7, 6, 7, 8, 9, 10, 1, 2, 3, 4, 5, 3, 4, 5, 6, 5, 6, 7, 7, 8, 9, 6, 7, 8, 8, 9, 10, 9, 10, 11, 12, 10, 11, 12, 13, 14, 15, 1, 2, 3, 4, 5, 6, 3, 4, 5, 6, 7, 5, 6, 7, 8, 7, 8, 9, 9, 10, 11, 6, 7, 8, 9, 8]

cp's OEIS Frontend

A282905 Concatenation of the sums of elements of P{1}, P{1, 2}, P{1, 2, 3}, ..., P{1, 2, 3, ..., n}; where P{A} denote the power set of set A ordered by the size of the subsets, and in each subset, following the increasing order.

Table of values

List of values

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

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

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