A325658 - cp's OEIS frontend

A325658 Brazilian composites of the form 1 + b + b^2 + b^3 + ... + b^k, b > 1, k > 1.

n	a(n)
1	15
2	21
3	40
4	57
5	63
6	85
7	91
8	111
9	121
10	133
11	156
12	183
13	255
14	259
15	273
16	341
17	343
18	364
19	381
20	400
21	507
22	511
23	553
24	585
25	651
26	703
27	781
28	813
29	820
30	871
31	931
32	993
33	1023
34	1057
35	1111
36	1191
37	1261
38	1333
39	1365
40	1407
41	1464
42	1555
43	1561
44	1641
45	1807
46	1885
47	1893
48	1981
49	2047
50	2071
51	2163
52	2257
53	2353

[15, 21, 40, 57, 63, 85, 91, 111, 121, 133, 156, 183, 255, 259, 273, 341, 343, 364, 381, 400, 507, 511, 553, 585, 651, 703, 781, 813, 820, 871, 931, 993, 1023, 1057, 1111, 1191, 1261, 1333, 1365, 1407, 1464, 1555, 1561, 1641, 1807, 1885, 1893, 1981, 2047, 2071, 2163, 2257, 2353]

cp's OEIS Frontend

A325658 Brazilian composites of the form 1 + b + b^2 + b^3 + ... + b^k, b > 1, k > 1.

Table of values

List of values