A162219 - cp's OEIS frontend

A162219 Base 4 perfect digital invariants (written in base 10): numbers equal to the sum of the k-th powers of their base-4 digits, for some k.

n	a(n)
1	0
2	1
3	2
4	3
5	8
6	9
7	28
8	29
9	32
10	33
11	35
12	43
13	55
14	62
15	83
16	128
17	129
18	243
19	512
20	513
21	922
22	2048
23	2049
24	2316
25	2317
26	2444
27	2445
28	2571
29	2699
30	7330
31	8192
32	8193
33	13124
34	13125
35	20710
36	21222
37	32768
38	32769
39	40392
40	40393
41	131072
42	131073
43	524288
44	524289
45	1075174

[0, 1, 2, 3, 8, 9, 28, 29, 32, 33, 35, 43, 55, 62, 83, 128, 129, 243, 512, 513, 922, 2048, 2049, 2316, 2317, 2444, 2445, 2571, 2699, 7330, 8192, 8193, 13124, 13125, 20710, 21222, 32768, 32769, 40392, 40393, 131072, 131073, 524288, 524289, 1075174]

cp's OEIS Frontend

A162219 Base 4 perfect digital invariants (written in base 10): numbers equal to the sum of the k-th powers of their base-4 digits, for some k.

Table of values

List of values