A294393 - cp's OEIS frontend

A294393 a(n) is the smallest number whose deficiency or abundance is equal to 2*n (or 0 if such a number does not exist), minus the n-th odd number.

n	a(n)
0	5
1	0
2	0
3	0
4	13
5	0
6	0
7	12
8	0
9	0
10	25
11	0
12	87
13	31
14	0
15	0
16	217
17	22
18	0
19	16
20	0
21	0
22	49
23	0
24	11
25	55
26	0
27	32
28	27
29	0
30	0
31	22
32	43
33	0
34	73
35	0
36	0
37	637
38	81
39	0
40	75
41	0
42	320
43	28
44	0
45	50
46	313
47	24
48	0
49	103
50	0
51	0
52	109
53	0
54	0
55	34
56	0
57	62
58	301
59	24
60	-1
61	120
62	67
63	0
64	133
65	0
66	128
67	139
68	0
69	0
70	433
71	42
72	23
73	151
74	0
75	0
76	219
77	82
78	0
79	28
80	119

[5, 0, 0, 0, 13, 0, 0, 12, 0, 0, 25, 0, 87, 31, 0, 0, 217, 22, 0, 16, 0, 0, 49, 0, 11, 55, 0, 32, 27, 0, 0, 22, 43, 0, 73, 0, 0, 637, 81, 0, 75, 0, 320, 28, 0, 50, 313, 24, 0, 103, 0, 0, 109, 0, 0, 34, 0, 62, 301, 24, -1, 120, 67, 0, 133, 0, 128, 139, 0, 0, 433, 42, 23, 151, 0, 0, 219, 82, 0, 28, 119]

cp's OEIS Frontend

A294393 a(n) is the smallest number whose deficiency or abundance is equal to 2*n (or 0 if such a number does not exist), minus the n-th odd number.

Table of values

List of values

n	a(n)
0	5
1	0
2	0
3	0
4	13
5	0
6	0
7	12
8	0
9	0
10	25
11	0
12	87
13	31
14	0
15	0
16	217
17	22
18	0
19	16
20	0
21	0
22	49
23	0
24	11
25	55
26	0
27	32
28	27
29	0
30	0
31	22
32	43
33	0
34	73
35	0
36	0
37	637
38	81
39	0
40	75
41	0
42	320
43	28
44	0
45	50
46	313
47	24
48	0
49	103
50	0
51	0
52	109
53	0
54	0
55	34
56	0
57	62
58	301
59	24
60	-1
61	120
62	67
63	0
64	133
65	0
66	128
67	139
68	0
69	0
70	433
71	42
72	23
73	151
74	0
75	0
76	219
77	82
78	0
79	28
80	119

n	a(n)
0	5
1	0
2	0
3	0
4	13
5	0
6	0
7	12
8	0
9	0
10	25
11	0
12	87
13	31
14	0
15	0
16	217
17	22
18	0
19	16
20	0
21	0
22	49
23	0
24	11
25	55
26	0
27	32
28	27
29	0
30	0
31	22
32	43
33	0
34	73
35	0
36	0
37	637
38	81
39	0
40	75
41	0
42	320
43	28
44	0
45	50
46	313
47	24
48	0
49	103
50	0
51	0
52	109
53	0
54	0
55	34
56	0
57	62
58	301
59	24
60	-1
61	120
62	67
63	0
64	133
65	0
66	128
67	139
68	0
69	0
70	433
71	42
72	23
73	151
74	0
75	0
76	219
77	82
78	0
79	28
80	119

n	a(n)
0	5
1	0
2	0
3	0
4	13
5	0
6	0
7	12
8	0
9	0
10	25
11	0
12	87
13	31
14	0
15	0
16	217
17	22
18	0
19	16
20	0
21	0
22	49
23	0
24	11
25	55
26	0
27	32
28	27
29	0
30	0
31	22
32	43
33	0
34	73
35	0
36	0
37	637
38	81
39	0
40	75
41	0
42	320
43	28
44	0
45	50
46	313
47	24
48	0
49	103
50	0
51	0
52	109
53	0
54	0
55	34
56	0
57	62
58	301
59	24
60	-1
61	120
62	67
63	0
64	133
65	0
66	128
67	139
68	0
69	0
70	433
71	42
72	23
73	151
74	0
75	0
76	219
77	82
78	0
79	28
80	119