A377315 - cp's OEIS frontend

A377315 a(n) = coefficient of 2^(1/3) in the expansion of (1 + 2^(1/3) + 2^(2/3))^n.

n	a(n)
0	0
1	1
2	4
3	15
4	58
5	223
6	858
7	3301
8	12700
9	48861
10	187984
11	723235
12	2782518
13	10705243
14	41186518
15	158457801
16	609638200
17	2345474521
18	9023795964
19	34717449655
20	133569211378
21	513883779063
22	1977076420978
23	7606449811501
24	29264462476500
25	112589813284981
26	433169277095944

[0, 1, 4, 15, 58, 223, 858, 3301, 12700, 48861, 187984, 723235, 2782518, 10705243, 41186518, 158457801, 609638200, 2345474521, 9023795964, 34717449655, 133569211378, 513883779063, 1977076420978, 7606449811501, 29264462476500, 112589813284981, 433169277095944]

cp's OEIS Frontend

A377315 a(n) = coefficient of 2^(1/3) in the expansion of (1 + 2^(1/3) + 2^(2/3))^n.

Table of values

List of values