A238351 - cp's OEIS frontend

A238351 Number of compositions p(1)+p(2)+...+p(k) = n such that for no part p(i) = i (compositions without fixed points).

n	a(n)
0	1
1	0
2	1
3	2
4	3
5	6
6	11
7	22
8	42
9	82
10	161
11	316
12	624
13	1235
14	2449
15	4864
16	9676
17	19267
18	38399
19	76582
20	152819
21	305085
22	609282
23	1217140
24	2431992
25	4860306
26	9714696
27	19419870
28	38824406
29	77624110
30	155208405
31	310352615
32	620601689
33	1241036325
34	2481803050
35	4963170896

[1, 0, 1, 2, 3, 6, 11, 22, 42, 82, 161, 316, 624, 1235, 2449, 4864, 9676, 19267, 38399, 76582, 152819, 305085, 609282, 1217140, 2431992, 4860306, 9714696, 19419870, 38824406, 77624110, 155208405, 310352615, 620601689, 1241036325, 2481803050, 4963170896]

cp's OEIS Frontend

A238351 Number of compositions p(1)+p(2)+...+p(k) = n such that for no part p(i) = i (compositions without fixed points).

Table of values

List of values