A213548 - cp's OEIS frontend

A213548 Rectangular array: (row n) = bc, where b(h) = h, c(h) = m(m+1)/2, m = n-1+h, n>=1, h>=1, and = convolution.

n	a(n)
1	1
2	5
3	3
4	15
5	12
6	6
7	35
8	31
9	22
10	10
11	70
12	65
13	53
14	35
15	15
16	126
17	120
18	105
19	81
20	51
21	21
22	210
23	203
24	185
25	155
26	115
27	70
28	28
29	330
30	322
31	301
32	265
33	215
34	155
35	92
36	36
37	495
38	486
39	462
40	420
41	360
42	285
43	201
44	117
45	45
46	715
47	705
48	678
49	630
50	560
51	470
52	365
53	253
54	145
55	55
56	1001

[1, 5, 3, 15, 12, 6, 35, 31, 22, 10, 70, 65, 53, 35, 15, 126, 120, 105, 81, 51, 21, 210, 203, 185, 155, 115, 70, 28, 330, 322, 301, 265, 215, 155, 92, 36, 495, 486, 462, 420, 360, 285, 201, 117, 45, 715, 705, 678, 630, 560, 470, 365, 253, 145, 55, 1001]

cp's OEIS Frontend

A213548 Rectangular array: (row n) = bc, where b(h) = h, c(h) = m(m+1)/2, m = n-1+h, n>=1, h>=1, and = convolution.

Table of values

List of values

cp's OEIS Frontend

A213548 Rectangular array: (row n) = b**c, where b(h) = h, c(h) = m(m+1)/2, m = n-1+h, n>=1, h>=1, and ** = convolution.

Table of values

List of values

A213548 Rectangular array: (row n) = bc, where b(h) = h, c(h) = m(m+1)/2, m = n-1+h, n>=1, h>=1, and = convolution.