A090294 - cp's OEIS frontend

A090294 a(n) = K_3(n) = Sum_{k>=0} A090285(3,k)2^kbinomial(n,k). a(n) = (4n^3+30n^2+56*n+15)/3.

n	a(n)
0	5
1	35
2	93
3	187
4	325
5	515
6	765
7	1083
8	1477
9	1955
10	2525
11	3195
12	3973
13	4867
14	5885
15	7035
16	8325
17	9763
18	11357
19	13115
20	15045
21	17155
22	19453
23	21947
24	24645
25	27555
26	30685
27	34043
28	37637
29	41475
30	45565
31	49915
32	54533
33	59427
34	64605
35	70075
36	75845
37	81923
38	88317

[5, 35, 93, 187, 325, 515, 765, 1083, 1477, 1955, 2525, 3195, 3973, 4867, 5885, 7035, 8325, 9763, 11357, 13115, 15045, 17155, 19453, 21947, 24645, 27555, 30685, 34043, 37637, 41475, 45565, 49915, 54533, 59427, 64605, 70075, 75845, 81923, 88317]

cp's OEIS Frontend

A090294 a(n) = K_3(n) = Sum_{k>=0} A090285(3,k)2^kbinomial(n,k). a(n) = (4n^3+30n^2+56*n+15)/3.

Table of values

List of values

cp's OEIS Frontend

A090294 a(n) = K_3(n) = Sum_{k>=0} A090285(3,k)*2^k*binomial(n,k). a(n) = (4*n^3+30*n^2+56*n+15)/3.

Table of values

List of values

A090294 a(n) = K_3(n) = Sum_{k>=0} A090285(3,k)2^kbinomial(n,k). a(n) = (4n^3+30n^2+56*n+15)/3.