A151677 - cp's OEIS frontend

A151677 a(n) = sum_{k >= 0} binomial(3*wt(n+k),k), where wt() = A000120().

n	a(n)
0	2
1	3
2	4
3	6
4	11
5	3
6	6
7	10
8	11
9	19
10	6
11	6
12	11
13	8
14	14
15	15
16	11
17	19
18	15
19	26
20	36
21	3
22	6
23	10
24	11
25	19
26	8
27	12
28	21
29	19
30	33
31	21
32	11
33	19
34	15
35	26
36	36
37	19
38	33
39	32
40	49
41	76
42	8
43	6
44	11
45	8
46	14
47	15
48	11
49	19
50	15
51	26
52	36
53	8
54	14
55	17
56	23
57	40
58	16
59	26
60	38
61	42
62	73
63	28
64	11
65	19
66	15
67	26
68	36
69	19
70	33
71	32
72	49
73	76
74	17
75	26
76	38

[2, 3, 4, 6, 11, 3, 6, 10, 11, 19, 6, 6, 11, 8, 14, 15, 11, 19, 15, 26, 36, 3, 6, 10, 11, 19, 8, 12, 21, 19, 33, 21, 11, 19, 15, 26, 36, 19, 33, 32, 49, 76, 8, 6, 11, 8, 14, 15, 11, 19, 15, 26, 36, 8, 14, 17, 23, 40, 16, 26, 38, 42, 73, 28, 11, 19, 15, 26, 36, 19, 33, 32, 49, 76, 17, 26, 38]

cp's OEIS Frontend

A151677 a(n) = sum_{k >= 0} binomial(3*wt(n+k),k), where wt() = A000120().

Table of values

List of values

n	a(n)
0	2
1	3
2	4
3	6
4	11
5	3
6	6
7	10
8	11
9	19
10	6
11	6
12	11
13	8
14	14
15	15
16	11
17	19
18	15
19	26
20	36
21	3
22	6
23	10
24	11
25	19
26	8
27	12
28	21
29	19
30	33
31	21
32	11
33	19
34	15
35	26
36	36
37	19
38	33
39	32
40	49
41	76
42	8
43	6
44	11
45	8
46	14
47	15
48	11
49	19
50	15
51	26
52	36
53	8
54	14
55	17
56	23
57	40
58	16
59	26
60	38
61	42
62	73
63	28
64	11
65	19
66	15
67	26
68	36
69	19
70	33
71	32
72	49
73	76
74	17
75	26
76	38

n	a(n)
0	2
1	3
2	4
3	6
4	11
5	3
6	6
7	10
8	11
9	19
10	6
11	6
12	11
13	8
14	14
15	15
16	11
17	19
18	15
19	26
20	36
21	3
22	6
23	10
24	11
25	19
26	8
27	12
28	21
29	19
30	33
31	21
32	11
33	19
34	15
35	26
36	36
37	19
38	33
39	32
40	49
41	76
42	8
43	6
44	11
45	8
46	14
47	15
48	11
49	19
50	15
51	26
52	36
53	8
54	14
55	17
56	23
57	40
58	16
59	26
60	38
61	42
62	73
63	28
64	11
65	19
66	15
67	26
68	36
69	19
70	33
71	32
72	49
73	76
74	17
75	26
76	38

n	a(n)
0	2
1	3
2	4
3	6
4	11
5	3
6	6
7	10
8	11
9	19
10	6
11	6
12	11
13	8
14	14
15	15
16	11
17	19
18	15
19	26
20	36
21	3
22	6
23	10
24	11
25	19
26	8
27	12
28	21
29	19
30	33
31	21
32	11
33	19
34	15
35	26
36	36
37	19
38	33
39	32
40	49
41	76
42	8
43	6
44	11
45	8
46	14
47	15
48	11
49	19
50	15
51	26
52	36
53	8
54	14
55	17
56	23
57	40
58	16
59	26
60	38
61	42
62	73
63	28
64	11
65	19
66	15
67	26
68	36
69	19
70	33
71	32
72	49
73	76
74	17
75	26
76	38