A309541 - cp's OEIS frontend

A309541 Representable positive integers n that are not the inverse of their inverse in binary64 (double precision) IEEE 754 floating-point arithmetic (Version where 1 and n*(1/n) are unequal).

n	a(n)
1	49
2	98
3	103
4	107
5	161
6	187
7	196
8	197
9	206
10	214
11	237
12	239
13	249
14	253
15	322
16	347
17	374
18	389
19	392
20	394
21	412
22	417
23	425
24	428
25	443
26	474
27	478
28	479
29	491
30	498
31	499
32	501
33	503
34	506
35	509
36	561
37	569
38	644
39	685
40	691
41	694
42	725
43	729
44	735
45	737
46	748
47	753
48	765
49	778
50	779
51	784
52	788
53	789
54	797
55	809
56	817
57	823
58	824
59	829
60	833
61	834
62	837
63	841
64	849
65	850

[49, 98, 103, 107, 161, 187, 196, 197, 206, 214, 237, 239, 249, 253, 322, 347, 374, 389, 392, 394, 412, 417, 425, 428, 443, 474, 478, 479, 491, 498, 499, 501, 503, 506, 509, 561, 569, 644, 685, 691, 694, 725, 729, 735, 737, 748, 753, 765, 778, 779, 784, 788, 789, 797, 809, 817, 823, 824, 829, 833, 834, 837, 841, 849, 850]

cp's OEIS Frontend

A309541 Representable positive integers n that are not the inverse of their inverse in binary64 (double precision) IEEE 754 floating-point arithmetic (Version where 1 and n*(1/n) are unequal).

Table of values

List of values

n	a(n)
1	49
2	98
3	103
4	107
5	161
6	187
7	196
8	197
9	206
10	214
11	237
12	239
13	249
14	253
15	322
16	347
17	374
18	389
19	392
20	394
21	412
22	417
23	425
24	428
25	443
26	474
27	478
28	479
29	491
30	498
31	499
32	501
33	503
34	506
35	509
36	561
37	569
38	644
39	685
40	691
41	694
42	725
43	729
44	735
45	737
46	748
47	753
48	765
49	778
50	779
51	784
52	788
53	789
54	797
55	809
56	817
57	823
58	824
59	829
60	833
61	834
62	837
63	841
64	849
65	850

n	a(n)
1	49
2	98
3	103
4	107
5	161
6	187
7	196
8	197
9	206
10	214
11	237
12	239
13	249
14	253
15	322
16	347
17	374
18	389
19	392
20	394
21	412
22	417
23	425
24	428
25	443
26	474
27	478
28	479
29	491
30	498
31	499
32	501
33	503
34	506
35	509
36	561
37	569
38	644
39	685
40	691
41	694
42	725
43	729
44	735
45	737
46	748
47	753
48	765
49	778
50	779
51	784
52	788
53	789
54	797
55	809
56	817
57	823
58	824
59	829
60	833
61	834
62	837
63	841
64	849
65	850

n	a(n)
1	49
2	98
3	103
4	107
5	161
6	187
7	196
8	197
9	206
10	214
11	237
12	239
13	249
14	253
15	322
16	347
17	374
18	389
19	392
20	394
21	412
22	417
23	425
24	428
25	443
26	474
27	478
28	479
29	491
30	498
31	499
32	501
33	503
34	506
35	509
36	561
37	569
38	644
39	685
40	691
41	694
42	725
43	729
44	735
45	737
46	748
47	753
48	765
49	778
50	779
51	784
52	788
53	789
54	797
55	809
56	817
57	823
58	824
59	829
60	833
61	834
62	837
63	841
64	849
65	850