A061279 - cp's OEIS frontend

A061279 a(n) = Sum_{k >= 0} 2^k * binomial(k+2,n-2*k).

n	a(n)
0	1
1	2
2	3
3	6
4	10
5	18
6	32
7	56
8	100
9	176
10	312
11	552
12	976
13	1728
14	3056
15	5408
16	9568
17	16928
18	29952
19	52992
20	93760
21	165888
22	293504
23	519296
24	918784
25	1625600
26	2876160
27	5088768
28	9003520
29	15929856
30	28184576
31	49866752
32	88228864
33	156102656

[1, 2, 3, 6, 10, 18, 32, 56, 100, 176, 312, 552, 976, 1728, 3056, 5408, 9568, 16928, 29952, 52992, 93760, 165888, 293504, 519296, 918784, 1625600, 2876160, 5088768, 9003520, 15929856, 28184576, 49866752, 88228864, 156102656]

cp's OEIS Frontend

A061279 a(n) = Sum_{k >= 0} 2^k * binomial(k+2,n-2*k).

Table of values

List of values