A194140 - cp's OEIS frontend

A194140 a(n) = Sum_{j=1..n} floor(j*(1+sqrt(3))); n-th partial sum of Beatty sequence for 1+sqrt(3).

n	a(n)
1	2
2	7
3	15
4	25
5	38
6	54
7	73
8	94
9	118
10	145
11	175
12	207
13	242
14	280
15	320
16	363
17	409
18	458
19	509
20	563
21	620
22	680
23	742
24	807
25	875
26	946
27	1019
28	1095
29	1174
30	1255
31	1339
32	1426
33	1516
34	1608
35	1703
36	1801
37	1902
38	2005
39	2111
40	2220
41	2332
42	2446
43	2563
44	2683
45	2805
46	2930
47	3058

[2, 7, 15, 25, 38, 54, 73, 94, 118, 145, 175, 207, 242, 280, 320, 363, 409, 458, 509, 563, 620, 680, 742, 807, 875, 946, 1019, 1095, 1174, 1255, 1339, 1426, 1516, 1608, 1703, 1801, 1902, 2005, 2111, 2220, 2332, 2446, 2563, 2683, 2805, 2930, 3058]

cp's OEIS Frontend

A194140 a(n) = Sum_{j=1..n} floor(j*(1+sqrt(3))); n-th partial sum of Beatty sequence for 1+sqrt(3).

Table of values

List of values