A119957 - cp's OEIS frontend

A119957 a(n) is the sum of p consecutive residues of 2^x modulo n, starting with a sufficiently large x and where p = period of binary representation of 1/n.

n	a(n)
1	0
2	0
3	3
4	0
5	10
6	6
7	7
8	0
9	27
10	20
11	55
12	12
13	78
14	14
15	15
16	0
17	68
18	54
19	171
20	40
21	42
22	110
23	92
24	24
25	250
26	156
27	243
28	28
29	406
30	30
31	31
32	0
33	165
34	136
35	175
36	108
37	666
38	342
39	156
40	80
41	410
42	84
43	301
44	220
45	225
46	184
47	423
48	48
49	490
50	500
51	102
52	312
53	1378
54	486
55	440
56	56
57	513
58	812
59	1711
60	60
61	1830
62	62

[0, 0, 3, 0, 10, 6, 7, 0, 27, 20, 55, 12, 78, 14, 15, 0, 68, 54, 171, 40, 42, 110, 92, 24, 250, 156, 243, 28, 406, 30, 31, 0, 165, 136, 175, 108, 666, 342, 156, 80, 410, 84, 301, 220, 225, 184, 423, 48, 490, 500, 102, 312, 1378, 486, 440, 56, 513, 812, 1711, 60, 1830, 62]

cp's OEIS Frontend

A119957 a(n) is the sum of p consecutive residues of 2^x modulo n, starting with a sufficiently large x and where p = period of binary representation of 1/n.

Table of values

List of values