A245387 - cp's OEIS frontend

A245387 Numbers k for which the alternating sum of the digits of k^k is +-1.

n	a(n)
1	1
2	5
3	10
4	20
5	21
6	43
7	56
8	78
9	80
10	100
11	131
12	160
13	170
14	215
15	230
16	300
17	355
18	485
19	505
20	540
21	692
22	824
23	1000
24	1055
25	1165
26	1335
27	1340
28	1429
29	1453
30	1505
31	1739
32	2102
33	2309
34	2740
35	2936
36	3772
37	3972
38	4055
39	4489
40	4676
41	5080
42	5512
43	5600
44	5660
45	5700
46	5770
47	5796
48	6350
49	7173
50	7512
51	7790
52	8372
53	9380
54	9767
55	10000

[1, 5, 10, 20, 21, 43, 56, 78, 80, 100, 131, 160, 170, 215, 230, 300, 355, 485, 505, 540, 692, 824, 1000, 1055, 1165, 1335, 1340, 1429, 1453, 1505, 1739, 2102, 2309, 2740, 2936, 3772, 3972, 4055, 4489, 4676, 5080, 5512, 5600, 5660, 5700, 5770, 5796, 6350, 7173, 7512, 7790, 8372, 9380, 9767, 10000]

cp's OEIS Frontend

A245387 Numbers k for which the alternating sum of the digits of k^k is +-1.

Table of values

List of values