A333475 - cp's OEIS frontend

A333475 Numbers k such that S(2^k) is a perfect square, where S(t) is the sum of decimal digits of t.

n	a(n)
1	0
2	2
3	16
4	22
5	36
6	78
7	104
8	110
9	118
10	130
11	176
12	186
13	194
14	200
15	216
16	240
17	270
18	276
19	320
20	358
21	364
22	376
23	440
24	558
25	576
26	602
27	608
28	612
29	614
30	620
31	630
32	700
33	872
34	884
35	894
36	918
37	972
38	1144
39	1174
40	1192
41	1216
42	1536
43	1566
44	1610
45	1658
46	1798
47	1882
48	2000
49	2312
50	2630
51	2928
52	3042
53	3540
54	3648
55	3744
56	3750
57	3774

[0, 2, 16, 22, 36, 78, 104, 110, 118, 130, 176, 186, 194, 200, 216, 240, 270, 276, 320, 358, 364, 376, 440, 558, 576, 602, 608, 612, 614, 620, 630, 700, 872, 884, 894, 918, 972, 1144, 1174, 1192, 1216, 1536, 1566, 1610, 1658, 1798, 1882, 2000, 2312, 2630, 2928, 3042, 3540, 3648, 3744, 3750, 3774]

cp's OEIS Frontend

A333475 Numbers k such that S(2^k) is a perfect square, where S(t) is the sum of decimal digits of t.

Table of values

List of values