A061553 - cp's OEIS frontend

A061553 Sum of absolute values of coefficients of expansion of (1-x)(1-x^2)(1-x^3)...(1-x^n).

n	a(n)
0	1
1	2
2	4
3	6
4	8
5	12
6	16
7	20
8	28
9	36
10	44
11	54
12	72
13	92
14	104
15	138
16	176
17	212
18	268
19	332
20	416
21	508
22	628
23	776
24	968
25	1192
26	1480
27	1836
28	2288
29	2812
30	3472
31	4292
32	5312
33	6572
34	8120
35	10028
36	12388
37	15300
38	18860
39	23276
40	28740
41	35468
42	43732
43	53954
44	66540
45	82016
46	101044

[1, 2, 4, 6, 8, 12, 16, 20, 28, 36, 44, 54, 72, 92, 104, 138, 176, 212, 268, 332, 416, 508, 628, 776, 968, 1192, 1480, 1836, 2288, 2812, 3472, 4292, 5312, 6572, 8120, 10028, 12388, 15300, 18860, 23276, 28740, 35468, 43732, 53954, 66540, 82016, 101044]

cp's OEIS Frontend

A061553 Sum of absolute values of coefficients of expansion of (1-x)(1-x^2)(1-x^3)...(1-x^n).

Table of values

List of values