A253951 - cp's OEIS frontend

A253951 A partial double sum of integers: a(n) = Sum_{x=1..n} Sum_{y=1..n} T(x,y), where T is the matrix product: T = A051731A127093Transpose(A054524) and T(n,1)=0 (* stands for matrix multiplication).

n	a(n)
1	0
2	1
3	5
4	9
5	20
6	23
7	42
8	52
9	69
10	77
11	113
12	119
13	165
14	177
15	190
16	214
17	279
18	291
19	366
20	379
21	399
22	422
23	517
24	533
25	599
26	625
27	679
28	701
29	829
30	846
31	986
32	1035
33	1069
34	1105
35	1137
36	1164
37	1339
38	1380
39	1417
40	1449
41	1646
42	1674
43	1883
44	1918
45	1955
46	2008
47	2239
48	2274
49	2420
50	2462
51	2515
52	2559
53	2827
54	2874
55	2929

[0, 1, 5, 9, 20, 23, 42, 52, 69, 77, 113, 119, 165, 177, 190, 214, 279, 291, 366, 379, 399, 422, 517, 533, 599, 625, 679, 701, 829, 846, 986, 1035, 1069, 1105, 1137, 1164, 1339, 1380, 1417, 1449, 1646, 1674, 1883, 1918, 1955, 2008, 2239, 2274, 2420, 2462, 2515, 2559, 2827, 2874, 2929]

cp's OEIS Frontend

A253951 A partial double sum of integers: a(n) = Sum_{x=1..n} Sum_{y=1..n} T(x,y), where T is the matrix product: T = A051731A127093Transpose(A054524) and T(n,1)=0 (* stands for matrix multiplication).

Table of values

List of values

cp's OEIS Frontend

A253951 A partial double sum of integers: a(n) = Sum_{x=1..n} Sum_{y=1..n} T(x,y), where T is the matrix product: T = A051731*A127093*Transpose(A054524) and T(n,1)=0 (* stands for matrix multiplication).

Table of values

List of values

A253951 A partial double sum of integers: a(n) = Sum_{x=1..n} Sum_{y=1..n} T(x,y), where T is the matrix product: T = A051731A127093Transpose(A054524) and T(n,1)=0 (* stands for matrix multiplication).