A340444 - cp's OEIS frontend

A340444 a(n) is the least prime of the form pq + pr + q*r where p is the n-th prime and q and r are primes < p, or 0 if there are none.

n	a(n)
1	0
2	0
3	31
4	41
5	61
6	71
7	151
8	101
9	199
10	151
11	227
12	191
13	211
14	311
15	241
16	271
17	487
18	311
19	479
20	653
21	521
22	401
23	421
24	727
25	491
26	823
27	521
28	541
29	773
30	571
31	641
32	661
33	691
34	701
35	751
36	761
37	1109
38	821
39	2039
40	1399
41	1447
42	911
43	1543
44	971
45	991
46	1607
47	1061
48	1571
49	1831
50	1151
51	1171
52	1201
53	1697
54	2273
55	1291
56	1321
57	2711

[0, 0, 31, 41, 61, 71, 151, 101, 199, 151, 227, 191, 211, 311, 241, 271, 487, 311, 479, 653, 521, 401, 421, 727, 491, 823, 521, 541, 773, 571, 641, 661, 691, 701, 751, 761, 1109, 821, 2039, 1399, 1447, 911, 1543, 971, 991, 1607, 1061, 1571, 1831, 1151, 1171, 1201, 1697, 2273, 1291, 1321, 2711]

cp's OEIS Frontend

A340444 a(n) is the least prime of the form pq + pr + q*r where p is the n-th prime and q and r are primes < p, or 0 if there are none.

Table of values

List of values

cp's OEIS Frontend

A340444 a(n) is the least prime of the form p*q + p*r + q*r where p is the n-th prime and q and r are primes < p, or 0 if there are none.

Table of values

List of values

A340444 a(n) is the least prime of the form pq + pr + q*r where p is the n-th prime and q and r are primes < p, or 0 if there are none.