A088578 - cp's OEIS frontend

A088578 a(n) = nx^n + (n-1)x^(n-1) + . . . + x + 1 for x=2.

n	a(n)
0	1
1	3
2	11
3	35
4	99
5	259
6	643
7	1539
8	3587
9	8195
10	18435
11	40963
12	90115
13	196611
14	425987
15	917507
16	1966083
17	4194307
18	8912899
19	18874371
20	39845891
21	83886083
22	176160771
23	369098755
24	771751939
25	1610612739
26	3355443203
27	6979321859
28	14495514627
29	30064771075
30	62277025795

[1, 3, 11, 35, 99, 259, 643, 1539, 3587, 8195, 18435, 40963, 90115, 196611, 425987, 917507, 1966083, 4194307, 8912899, 18874371, 39845891, 83886083, 176160771, 369098755, 771751939, 1610612739, 3355443203, 6979321859, 14495514627, 30064771075, 62277025795]

cp's OEIS Frontend

A088578 a(n) = nx^n + (n-1)x^(n-1) + . . . + x + 1 for x=2.

Table of values

List of values

cp's OEIS Frontend

A088578 a(n) = n*x^n + (n-1)*x^(n-1) + . . . + x + 1 for x=2.

Table of values

List of values

A088578 a(n) = nx^n + (n-1)x^(n-1) + . . . + x + 1 for x=2.