A229265 - cp's OEIS frontend

A229265 Numbers k such that sigma(k) + tau(k) + phi(k) is a prime, where sigma(k) = A000203(k), tau(k) = A000005(k) and phi(k) = A000010(k).

n	a(n)
1	1
2	8
3	200
4	512
5	968
6	1458
7	3200
8	4232
9	5618
10	5832
11	6962
12	10368
13	16928
14	26912
15	36992
16	40328
17	53792
18	61952
19	84050
20	101250
21	110450
22	140450
23	147968
24	220448
25	247808
26	249218
27	253472
28	257762
29	279752
30	282752
31	320000
32	336200
33	344450
34	359552
35	361250
36	445568
37	472392
38	512072

[1, 8, 200, 512, 968, 1458, 3200, 4232, 5618, 5832, 6962, 10368, 16928, 26912, 36992, 40328, 53792, 61952, 84050, 101250, 110450, 140450, 147968, 220448, 247808, 249218, 253472, 257762, 279752, 282752, 320000, 336200, 344450, 359552, 361250, 445568, 472392, 512072]

cp's OEIS Frontend

A229265 Numbers k such that sigma(k) + tau(k) + phi(k) is a prime, where sigma(k) = A000203(k), tau(k) = A000005(k) and phi(k) = A000010(k).

Table of values

List of values