A385054 - cp's OEIS frontend

A385054 Numbers k such that (2k-1)2^valuation(k, 2) != denominator(2Euler(2k-1, 1)/(2*k-1)).

n	a(n)
1	60
2	140
3	196
4	280
5	295
6	332
7	390
8	468
9	574
10	581
11	604
12	605
13	621
14	740
15	760
16	826
17	876
18	935
19	1012
20	1070
21	1148
22	1183
23	1185
24	1210
25	1225
26	1240
27	1269
28	1278
29	1284
30	1376
31	1420
32	1484
33	1526
34	1535
35	1556
36	1690
37	1692
38	1715
39	1828
40	1906
41	1908
42	1910
43	1914
44	1928
45	1935
46	1964
47	2000

[60, 140, 196, 280, 295, 332, 390, 468, 574, 581, 604, 605, 621, 740, 760, 826, 876, 935, 1012, 1070, 1148, 1183, 1185, 1210, 1225, 1240, 1269, 1278, 1284, 1376, 1420, 1484, 1526, 1535, 1556, 1690, 1692, 1715, 1828, 1906, 1908, 1910, 1914, 1928, 1935, 1964, 2000]

cp's OEIS Frontend

A385054 Numbers k such that (2k-1)2^valuation(k, 2) != denominator(2Euler(2k-1, 1)/(2*k-1)).

Table of values

List of values

cp's OEIS Frontend

A385054 Numbers k such that (2*k-1)*2^valuation(k, 2) != denominator(2*Euler(2*k-1, 1)/(2*k-1)).

Table of values

List of values

A385054 Numbers k such that (2k-1)2^valuation(k, 2) != denominator(2Euler(2k-1, 1)/(2*k-1)).