A324914 - cp's OEIS frontend

A324914 a(n) = Sum_{k=1..n} 2^k * tau(k), where tau(k) = A000005(k).

n	a(n)
1	2
2	10
3	26
4	74
5	138
6	394
7	650
8	1674
9	3210
10	7306
11	11402
12	35978
13	52362
14	117898
15	248970
16	576650
17	838794
18	2411658
19	3460234
20	9751690
21	18140298
22	34917514
23	51694730
24	185912458
25	286575754
26	555011210
27	1091882122
28	2702494858
29	3776236682
30	12366171274

[2, 10, 26, 74, 138, 394, 650, 1674, 3210, 7306, 11402, 35978, 52362, 117898, 248970, 576650, 838794, 2411658, 3460234, 9751690, 18140298, 34917514, 51694730, 185912458, 286575754, 555011210, 1091882122, 2702494858, 3776236682, 12366171274]

cp's OEIS Frontend

A324914 a(n) = Sum_{k=1..n} 2^k * tau(k), where tau(k) = A000005(k).

Table of values

List of values