A214253 - cp's OEIS frontend

A214253 Number of compositions of n where differences between neighboring parts are in {-2,0,2}.

n	a(n)
0	1
1	1
2	2
3	2
4	5
5	5
6	10
7	10
8	21
9	22
10	42
11	47
12	87
13	103
14	179
15	224
16	380
17	491
18	802
19	1074
20	1721
21	2354
22	3696
23	5157
24	7995
25	11305
26	17328
27	24778
28	37680
29	54320
30	82071
31	119076
32	179061
33	261046
34	391087
35	572275
36	854975
37	1254578
38	1870298
39	2750361
40	4093539
41	6029538
42	8962963

[1, 1, 2, 2, 5, 5, 10, 10, 21, 22, 42, 47, 87, 103, 179, 224, 380, 491, 802, 1074, 1721, 2354, 3696, 5157, 7995, 11305, 17328, 24778, 37680, 54320, 82071, 119076, 179061, 261046, 391087, 572275, 854975, 1254578, 1870298, 2750361, 4093539, 6029538, 8962963]

cp's OEIS Frontend

A214253 Number of compositions of n where differences between neighboring parts are in {-2,0,2}.

Table of values

List of values