A190730 - cp's OEIS frontend

A190730 Let b(n,0) = n and b(n,k) = 2*b(n,k-1) + 1 for k > 0. Then a(n) = b(n,1) + b(n,2) + ... + b(n,n).

n	a(n)
1	3
2	16
3	53
4	146
5	367
6	876
7	2025
8	4582
9	10211
10	22496
11	49117
12	106458
13	229335
14	491476
15	1048529
16	2228174
17	4718539
18	9961416
19	20971461
20	44040130
21	92274623
22	192937916
23	402653113
24	838860726
25	1744830387
26	3623878576
27	7516192685
28	15569256362
29	32212254631
30	66571992996

[3, 16, 53, 146, 367, 876, 2025, 4582, 10211, 22496, 49117, 106458, 229335, 491476, 1048529, 2228174, 4718539, 9961416, 20971461, 44040130, 92274623, 192937916, 402653113, 838860726, 1744830387, 3623878576, 7516192685, 15569256362, 32212254631, 66571992996]

cp's OEIS Frontend

A190730 Let b(n,0) = n and b(n,k) = 2*b(n,k-1) + 1 for k > 0. Then a(n) = b(n,1) + b(n,2) + ... + b(n,n).

Table of values

List of values