A257449 - cp's OEIS frontend

A257449 a(n) = 75(2^n - 1) - 4n^3 - 18n^2 - 52n.

n	a(n)
1	1
2	17
3	99
4	373
5	1115
6	2901
7	6907
8	15509
9	33483
10	70405
11	145451
12	296997
13	601819
14	1213493
15	2439195
16	4893301
17	9804587
18	19630629
19	39286603
20	78602885
21	157240251
22	314520277
23	629086139
24	1258224213
25	2516507275
26	5033080901
27	10066236267
28	20132555749
29	40265204123

[1, 17, 99, 373, 1115, 2901, 6907, 15509, 33483, 70405, 145451, 296997, 601819, 1213493, 2439195, 4893301, 9804587, 19630629, 39286603, 78602885, 157240251, 314520277, 629086139, 1258224213, 2516507275, 5033080901, 10066236267, 20132555749, 40265204123]

cp's OEIS Frontend

A257449 a(n) = 75(2^n - 1) - 4n^3 - 18n^2 - 52n.

Table of values

List of values

cp's OEIS Frontend

A257449 a(n) = 75*(2^n - 1) - 4*n^3 - 18*n^2 - 52*n.

Table of values

List of values

A257449 a(n) = 75(2^n - 1) - 4n^3 - 18n^2 - 52n.