A079662 - cp's OEIS frontend

A079662 a(n) = the number of occurrences of 1 in all compositions of n without 2's = # of occurrences of the integer k in compositions of n+k-1 without 2's (k > 2).

n	a(n)
1	1
2	2
3	3
4	6
5	13
6	26
7	50
8	96
9	184
10	350
11	661
12	1242
13	2324
14	4332
15	8047
16	14902
17	27521
18	50700
19	93191
20	170942
21	312974
22	572030
23	1043852
24	1902044
25	3461067
26	6289972
27	11417576
28	20702328
29	37498589
30	67856074
31	122677727
32	221599538
33	399962369
34	721333090

[1, 2, 3, 6, 13, 26, 50, 96, 184, 350, 661, 1242, 2324, 4332, 8047, 14902, 27521, 50700, 93191, 170942, 312974, 572030, 1043852, 1902044, 3461067, 6289972, 11417576, 20702328, 37498589, 67856074, 122677727, 221599538, 399962369, 721333090]

cp's OEIS Frontend

A079662 a(n) = the number of occurrences of 1 in all compositions of n without 2's = # of occurrences of the integer k in compositions of n+k-1 without 2's (k > 2).

Table of values

List of values