A333176 - cp's OEIS frontend

A333176 a(n) = Sum_{k=1..n} (binomial(n,k) mod 2) * prime(k).

n	a(n)
1	2
2	3
3	10
4	7
5	20
6	23
7	58
8	19
9	44
10	51
11	112
12	63
13	140
14	151
15	328
16	53
17	114
18	117
19	250
20	131
21	276
22	287
23	604
24	161
25	342
26	355
27	742
28	383
29	798
30	825
31	1720
32	131
33	270
34	273
35	566
36	289
37	596
38	607
39	1252
40	323
41	664
42	675
43	1392
44	711
45	1458
46	1481
47	3046
48	407
49	832
50	839
51	1718
52	875
53	1782

[2, 3, 10, 7, 20, 23, 58, 19, 44, 51, 112, 63, 140, 151, 328, 53, 114, 117, 250, 131, 276, 287, 604, 161, 342, 355, 742, 383, 798, 825, 1720, 131, 270, 273, 566, 289, 596, 607, 1252, 323, 664, 675, 1392, 711, 1458, 1481, 3046, 407, 832, 839, 1718, 875, 1782]

cp's OEIS Frontend

A333176 a(n) = Sum_{k=1..n} (binomial(n,k) mod 2) * prime(k).

Table of values

List of values