A179272 - cp's OEIS frontend

A179272 Sharp upper bound on Rosgen overlap number n-vertex graph with n >= 14, formula abused here for nonnegative integers.

n	a(n)
0	-1
1	-2
2	-1
3	-1
4	1
5	2
6	5
7	7
8	11
9	14
10	19
11	23
12	29
13	34
14	41
15	47
16	55
17	62
18	71
19	79
20	89
21	98
22	109
23	119
24	131
25	142
26	155
27	167
28	181
29	194
30	209
31	223
32	239
33	254
34	271
35	287
36	305
37	322
38	341
39	359
40	379
41	398
42	419
43	439
44	461
45	482
46	505
47	527
48	551
49	574
50	599
51	623
52	649
53	674
54	701
55	727
56	755
57	782

[-1, -2, -1, -1, 1, 2, 5, 7, 11, 14, 19, 23, 29, 34, 41, 47, 55, 62, 71, 79, 89, 98, 109, 119, 131, 142, 155, 167, 181, 194, 209, 223, 239, 254, 271, 287, 305, 322, 341, 359, 379, 398, 419, 439, 461, 482, 505, 527, 551, 574, 599, 623, 649, 674, 701, 727, 755, 782]

cp's OEIS Frontend

A179272 Sharp upper bound on Rosgen overlap number n-vertex graph with n >= 14, formula abused here for nonnegative integers.

Table of values

List of values

n	a(n)
0	-1
1	-2
2	-1
3	-1
4	1
5	2
6	5
7	7
8	11
9	14
10	19
11	23
12	29
13	34
14	41
15	47
16	55
17	62
18	71
19	79
20	89
21	98
22	109
23	119
24	131
25	142
26	155
27	167
28	181
29	194
30	209
31	223
32	239
33	254
34	271
35	287
36	305
37	322
38	341
39	359
40	379
41	398
42	419
43	439
44	461
45	482
46	505
47	527
48	551
49	574
50	599
51	623
52	649
53	674
54	701
55	727
56	755
57	782

n	a(n)
0	-1
1	-2
2	-1
3	-1
4	1
5	2
6	5
7	7
8	11
9	14
10	19
11	23
12	29
13	34
14	41
15	47
16	55
17	62
18	71
19	79
20	89
21	98
22	109
23	119
24	131
25	142
26	155
27	167
28	181
29	194
30	209
31	223
32	239
33	254
34	271
35	287
36	305
37	322
38	341
39	359
40	379
41	398
42	419
43	439
44	461
45	482
46	505
47	527
48	551
49	574
50	599
51	623
52	649
53	674
54	701
55	727
56	755
57	782

n	a(n)
0	-1
1	-2
2	-1
3	-1
4	1
5	2
6	5
7	7
8	11
9	14
10	19
11	23
12	29
13	34
14	41
15	47
16	55
17	62
18	71
19	79
20	89
21	98
22	109
23	119
24	131
25	142
26	155
27	167
28	181
29	194
30	209
31	223
32	239
33	254
34	271
35	287
36	305
37	322
38	341
39	359
40	379
41	398
42	419
43	439
44	461
45	482
46	505
47	527
48	551
49	574
50	599
51	623
52	649
53	674
54	701
55	727
56	755
57	782