A204878 - cp's OEIS frontend

A204878 Numbers that cannot be written as sum of perfect numbers.

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	15
14	16
15	17
16	19
17	20
18	21
19	22
20	23
21	25
22	26
23	27
24	29
25	31
26	32
27	33
28	35
29	37
30	38
31	39
32	41
33	43
34	44
35	45
36	47
37	49
38	50
39	51
40	53
41	55
42	57
43	59
44	61
45	63
46	65
47	67
48	69
49	71
50	73
51	75
52	77
53	79
54	81
55	83
56	85
57	87
58	89
59	91
60	93
61	95
62	97
63	99
64	101
65	103
66	105

[1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, 14, 15, 16, 17, 19, 20, 21, 22, 23, 25, 26, 27, 29, 31, 32, 33, 35, 37, 38, 39, 41, 43, 44, 45, 47, 49, 50, 51, 53, 55, 57, 59, 61, 63, 65, 67, 69, 71, 73, 75, 77, 79, 81, 83, 85, 87, 89, 91, 93, 95, 97, 99, 101, 103, 105]

cp's OEIS Frontend

A204878 Numbers that cannot be written as sum of perfect numbers.

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	15
14	16
15	17
16	19
17	20
18	21
19	22
20	23
21	25
22	26
23	27
24	29
25	31
26	32
27	33
28	35
29	37
30	38
31	39
32	41
33	43
34	44
35	45
36	47
37	49
38	50
39	51
40	53
41	55
42	57
43	59
44	61
45	63
46	65
47	67
48	69
49	71
50	73
51	75
52	77
53	79
54	81
55	83
56	85
57	87
58	89
59	91
60	93
61	95
62	97
63	99
64	101
65	103
66	105

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	15
14	16
15	17
16	19
17	20
18	21
19	22
20	23
21	25
22	26
23	27
24	29
25	31
26	32
27	33
28	35
29	37
30	38
31	39
32	41
33	43
34	44
35	45
36	47
37	49
38	50
39	51
40	53
41	55
42	57
43	59
44	61
45	63
46	65
47	67
48	69
49	71
50	73
51	75
52	77
53	79
54	81
55	83
56	85
57	87
58	89
59	91
60	93
61	95
62	97
63	99
64	101
65	103
66	105

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	7
7	8
8	9
9	10
10	11
11	13
12	14
13	15
14	16
15	17
16	19
17	20
18	21
19	22
20	23
21	25
22	26
23	27
24	29
25	31
26	32
27	33
28	35
29	37
30	38
31	39
32	41
33	43
34	44
35	45
36	47
37	49
38	50
39	51
40	53
41	55
42	57
43	59
44	61
45	63
46	65
47	67
48	69
49	71
50	73
51	75
52	77
53	79
54	81
55	83
56	85
57	87
58	89
59	91
60	93
61	95
62	97
63	99
64	101
65	103
66	105