A061980 - cp's OEIS frontend

A061980 Square array A(n,k) = A(n-1,k) + A(n-1, floor(k/2)) + A(n-1, floor(k/3)), with A(0,0) = 1, read by antidiagonals.

n	a(n)
0	1
1	0
2	3
3	0
4	2
5	9
6	0
7	1
8	8
9	27
10	0
11	0
12	6
13	26
14	81
15	0
16	0
17	4
18	23
19	80
20	243
21	0
22	0
23	3
24	20
25	76
26	242
27	729
28	0
29	0
30	3
31	17
32	72
33	237
34	728
35	2187
36	0
37	0
38	1
39	17
40	66
41	232
42	722
43	2186
44	6561
45	0
46	0
47	1
48	11
49	66
50	222
51	716
52	2179
53	6560
54	19683
55	0
56	0
57	1
58	11
59	54
60	222
61	701
62	2172
63	6552
64	19682
65	59049

[1, 0, 3, 0, 2, 9, 0, 1, 8, 27, 0, 0, 6, 26, 81, 0, 0, 4, 23, 80, 243, 0, 0, 3, 20, 76, 242, 729, 0, 0, 3, 17, 72, 237, 728, 2187, 0, 0, 1, 17, 66, 232, 722, 2186, 6561, 0, 0, 1, 11, 66, 222, 716, 2179, 6560, 19683, 0, 0, 1, 11, 54, 222, 701, 2172, 6552, 19682, 59049]

cp's OEIS Frontend

A061980 Square array A(n,k) = A(n-1,k) + A(n-1, floor(k/2)) + A(n-1, floor(k/3)), with A(0,0) = 1, read by antidiagonals.

Table of values

List of values