A266813 - OEIS

A266813 as a simple table

n	a(n)
0	0
1	0
2	2
3	3
4	7
5	10
6	14
7	19
8	26
9	31
10	39
11	47
12	56
13	65
14	76
15	86
16	99
17	111
18	124
19	138
20	154
21	168
22	185
23	202
24	220
25	238
26	258
27	277
28	299
29	320
30	342
31	365
32	390
33	413
34	439
35	465
36	492
37	519
38	548
39	576
40	607
41	637
42	668
43	700
44	734
45	766
46	801
47	836
48	872
49	908
50	946
51	983
52	1023
53	1062
54	1102

[0,0,2,3,7,10,14,19,26,31,39,47,56,65,76,86,99, 111,124,138,154,168,185,202,220,238,258,277,299, 320,342,365,390,413,439,465,492,519,548,576,607, 637,668,700,734,766,801,836,872,908,946,983,1023, 1062,1102]