A364671 - cp's OEIS frontend

A364671 Number of subsets of {1..n} containing all of their own first differences.

n	a(n)
0	1
1	2
2	4
3	6
4	10
5	14
6	23
7	34
8	58
9	96
10	171
11	302
12	565
13	1041
14	1969
15	3719
16	7105
17	13544
18	25999
19	49852
20	95949
21	184658
22	356129
23	687068
24	1327540
25	2566295
26	4966449
27	9617306
28	18640098
29	36150918
30	70166056
31	136272548
32	264844111
33	515036040
34	1002211421
35	1951345157
36	3801569113

[1, 2, 4, 6, 10, 14, 23, 34, 58, 96, 171, 302, 565, 1041, 1969, 3719, 7105, 13544, 25999, 49852, 95949, 184658, 356129, 687068, 1327540, 2566295, 4966449, 9617306, 18640098, 36150918, 70166056, 136272548, 264844111, 515036040, 1002211421, 1951345157, 3801569113]

cp's OEIS Frontend

A364671 Number of subsets of {1..n} containing all of their own first differences.

Table of values

List of values