A356457 - cp's OEIS frontend

A356457 a(n) is the least number that can be written in exactly n ways as pq + qr + p*r where (p,q,r) is an unordered triple of distinct primes.

n	a(n)
0	1
1	31
2	71
3	151
4	191
5	491
6	671
7	887
8	311
9	1151
10	1391
11	1751
12	1031
13	2711
14	2831
15	3911
16	1991
17	3191
18	5351
19	9551
20	7031
21	20951
22	8951
23	8711
24	10631
25	5591
26	15431
27	10391
28	15791
29	28031
30	20471
31	17111
32	48191
33	27191
34	31391
35	39191
36	52631
37	35591
38	42311
39	61871
40	50951
41	92231
42	70391
43	108071
44	99431
45	103991
46	96071

[1, 31, 71, 151, 191, 491, 671, 887, 311, 1151, 1391, 1751, 1031, 2711, 2831, 3911, 1991, 3191, 5351, 9551, 7031, 20951, 8951, 8711, 10631, 5591, 15431, 10391, 15791, 28031, 20471, 17111, 48191, 27191, 31391, 39191, 52631, 35591, 42311, 61871, 50951, 92231, 70391, 108071, 99431, 103991, 96071]

cp's OEIS Frontend

A356457 a(n) is the least number that can be written in exactly n ways as pq + qr + p*r where (p,q,r) is an unordered triple of distinct primes.

Table of values

List of values

cp's OEIS Frontend

A356457 a(n) is the least number that can be written in exactly n ways as p*q + q*r + p*r where (p,q,r) is an unordered triple of distinct primes.

Table of values

List of values

A356457 a(n) is the least number that can be written in exactly n ways as pq + qr + p*r where (p,q,r) is an unordered triple of distinct primes.