A352205 - cp's OEIS frontend

A352205 a(0) = 0; for n>0, a(n) is the index of the last term in A109812 that is <= 2^n - 1.

n	a(n)
0	0
1	1
2	4
3	16
4	28
5	76
6	162
7	418
8	650
9	1892
10	3555
11	7252
12	20059
13	39786
14	84653
15	174566
16	343911
17	690189
18	1688099
19	3366971
20	7131089
21	14446268
22	31036955
23	62485240
24	145444358
25	290692248
26	624275567

[0, 1, 4, 16, 28, 76, 162, 418, 650, 1892, 3555, 7252, 20059, 39786, 84653, 174566, 343911, 690189, 1688099, 3366971, 7131089, 14446268, 31036955, 62485240, 145444358, 290692248, 624275567]

cp's OEIS Frontend

A352205 a(0) = 0; for n>0, a(n) is the index of the last term in A109812 that is <= 2^n - 1.

Table of values

List of values