A349544 - cp's OEIS frontend

A349544 Smallest possible value of |Sum_{k=0..n} (+-) 2^k * 3^(n-k)|, where each (+-) can be either plus or minus sign, independently for each term in the sum.

n	a(n)
0	1
1	1
2	1
3	5
4	1
5	19
6	7
7	5
8	65
9	61
10	73
11	227
12	257
13	5
14	439
15	1253
16	2425
17	2035
18	833
19	2677
20	10591
21	6509
22	32071
23	41173
24	77263
25	114323
26	18145
27	129685
28	321151
29	15757
30	645449
31	113957
32	50735
33	477653
34	24295
35	5089013
36	3743881
37	4809115
38	12209455
39	8216179
40	32894927
41	80299843
42	45673913

[1, 1, 1, 5, 1, 19, 7, 5, 65, 61, 73, 227, 257, 5, 439, 1253, 2425, 2035, 833, 2677, 10591, 6509, 32071, 41173, 77263, 114323, 18145, 129685, 321151, 15757, 645449, 113957, 50735, 477653, 24295, 5089013, 3743881, 4809115, 12209455, 8216179, 32894927, 80299843, 45673913]

cp's OEIS Frontend

A349544 Smallest possible value of |Sum_{k=0..n} (+-) 2^k * 3^(n-k)|, where each (+-) can be either plus or minus sign, independently for each term in the sum.

Table of values

List of values