A287681 - cp's OEIS frontend

A287681 Twin practical numbers: numbers k such that both k and k+2 are practical numbers.

n	a(n)
1	2
2	4
3	6
4	16
5	18
6	28
7	30
8	40
9	54
10	64
11	78
12	88
13	126
14	160
15	196
16	198
17	208
18	270
19	304
20	306
21	340
22	378
23	390
24	414
25	448
26	460
27	462
28	510
29	520
30	544
31	558
32	700
33	702
34	726
35	798
36	810
37	858
38	868
39	880
40	918
41	928
42	966
43	990
44	1024
45	1120
46	1216
47	1230
48	1240
49	1288
50	1300
51	1350
52	1408
53	1456

[2, 4, 6, 16, 18, 28, 30, 40, 54, 64, 78, 88, 126, 160, 196, 198, 208, 270, 304, 306, 340, 378, 390, 414, 448, 460, 462, 510, 520, 544, 558, 700, 702, 726, 798, 810, 858, 868, 880, 918, 928, 966, 990, 1024, 1120, 1216, 1230, 1240, 1288, 1300, 1350, 1408, 1456]

cp's OEIS Frontend

A287681 Twin practical numbers: numbers k such that both k and k+2 are practical numbers.

Table of values

List of values