A071123 - cp's OEIS frontend

A071123 a(n) = a(n-1) + sum of decimal digits of n!.

n	a(n)
1	1
2	3
3	9
4	15
5	18
6	27
7	36
8	45
9	72
10	99
11	135
12	162
13	189
14	234
15	279
16	342
17	405
18	459
19	504
20	558
21	621
22	693
23	792
24	873
25	945
26	1026
27	1134
28	1224
29	1350
30	1467
31	1602
32	1710
33	1854
34	1998
35	2142
36	2313
37	2466
38	2574
39	2763
40	2952
41	3096
42	3285
43	3465
44	3681
45	3888
46	4104
47	4329
48	4563
49	4788

[1, 3, 9, 15, 18, 27, 36, 45, 72, 99, 135, 162, 189, 234, 279, 342, 405, 459, 504, 558, 621, 693, 792, 873, 945, 1026, 1134, 1224, 1350, 1467, 1602, 1710, 1854, 1998, 2142, 2313, 2466, 2574, 2763, 2952, 3096, 3285, 3465, 3681, 3888, 4104, 4329, 4563, 4788]

cp's OEIS Frontend

A071123 a(n) = a(n-1) + sum of decimal digits of n!.

Table of values

List of values