A278909 - cp's OEIS frontend

A278909 Binary Smith numbers: composite numbers n such that sum of bits of n = sum of bits of prime factors of n (counted with multiplicity).

n	a(n)
1	15
2	51
3	55
4	85
5	125
6	159
7	185
8	190
9	205
10	215
11	222
12	238
13	246
14	249
15	253
16	287
17	303
18	319
19	374
20	407
21	438
22	442
23	469
24	471
25	475
26	489
27	494
28	501
29	507
30	591
31	623
32	639
33	670
34	679
35	687
36	699
37	730
38	745
39	755
40	763
41	765
42	771
43	799
44	807
45	822
46	830
47	843
48	867
49	890
50	893
51	917
52	923
53	925
54	935
55	939
56	951
57	970
58	973
59	979
60	986
61	989
62	995
63	1010
64	1015
65	1017
66	1020
67	1023
68	1135
69	1167
70	1203
71	1243

[15, 51, 55, 85, 125, 159, 185, 190, 205, 215, 222, 238, 246, 249, 253, 287, 303, 319, 374, 407, 438, 442, 469, 471, 475, 489, 494, 501, 507, 591, 623, 639, 670, 679, 687, 699, 730, 745, 755, 763, 765, 771, 799, 807, 822, 830, 843, 867, 890, 893, 917, 923, 925, 935, 939, 951, 970, 973, 979, 986, 989, 995, 1010, 1015, 1017, 1020, 1023, 1135, 1167, 1203, 1243]

cp's OEIS Frontend

A278909 Binary Smith numbers: composite numbers n such that sum of bits of n = sum of bits of prime factors of n (counted with multiplicity).

Table of values

List of values