A084105 - cp's OEIS frontend

A084105 Middle q of three consecutive primes p,q,r, such that one adjacent prime is near, the other is far and the ratio of the differences (whichever of (r-q)/(q-p) or (q-p)/(r-q) is greater than 1) sets a record.

n	a(n)
1	3
2	29
3	113
4	139
5	199
6	523
7	1151
8	1669
9	2971
10	6947
11	10007
12	16141
13	25471
14	40639
15	79699
16	102761
17	173359
18	265621
19	404851
20	838249
21	1349533
22	1562051
23	6371537
24	7230479
25	27980987
26	42082303
27	53231051
28	70396589
29	192983851
30	253878617
31	390932389
32	465828731
33	516540163
34	1692327137

[3, 29, 113, 139, 199, 523, 1151, 1669, 2971, 6947, 10007, 16141, 25471, 40639, 79699, 102761, 173359, 265621, 404851, 838249, 1349533, 1562051, 6371537, 7230479, 27980987, 42082303, 53231051, 70396589, 192983851, 253878617, 390932389, 465828731, 516540163, 1692327137]

cp's OEIS Frontend

A084105 Middle q of three consecutive primes p,q,r, such that one adjacent prime is near, the other is far and the ratio of the differences (whichever of (r-q)/(q-p) or (q-p)/(r-q) is greater than 1) sets a record.

Table of values

List of values