A177812 - cp's OEIS frontend

A177812 Triangular array read by rows: binomial(n,k^2), k=0..floor(sqrt(n)).

n	a(n)
0	1
1	1
2	1
3	1
4	2
5	1
6	3
7	1
8	4
9	1
10	1
11	5
12	5
13	1
14	6
15	15
16	1
17	7
18	35
19	1
20	8
21	70
22	1
23	9
24	126
25	1
26	1
27	10
28	210
29	10
30	1
31	11
32	330
33	55
34	1
35	12
36	495
37	220
38	1
39	13
40	715
41	715
42	1
43	14
44	1001
45	2002
46	1
47	15
48	1365
49	5005
50	1
51	16
52	1820
53	11440
54	1
55	1
56	17
57	2380
58	24310
59	17
60	1
61	18
62	3060
63	48620
64	153

[1, 1, 1, 1, 2, 1, 3, 1, 4, 1, 1, 5, 5, 1, 6, 15, 1, 7, 35, 1, 8, 70, 1, 9, 126, 1, 1, 10, 210, 10, 1, 11, 330, 55, 1, 12, 495, 220, 1, 13, 715, 715, 1, 14, 1001, 2002, 1, 15, 1365, 5005, 1, 16, 1820, 11440, 1, 1, 17, 2380, 24310, 17, 1, 18, 3060, 48620, 153]

cp's OEIS Frontend

A177812 Triangular array read by rows: binomial(n,k^2), k=0..floor(sqrt(n)).

Table of values

List of values