A276075 - cp's OEIS frontend

A276075 a(1) = 0, a(n) = (e1i1! + e2i2! + ... + eziz!) for n = prime(i1)^e1 prime(i2)^e2 * ... * prime(iz)^ez, where prime(k) is the k-th prime, A000040(k).

n	a(n)
1	0
2	1
3	2
4	2
5	6
6	3
7	24
8	3
9	4
10	7
11	120
12	4
13	720
14	25
15	8
16	4
17	5040
18	5
19	40320
20	8
21	26
22	121
23	362880
24	5
25	12
26	721
27	6
28	26
29	3628800
30	9
31	39916800
32	5
33	122
34	5041
35	30
36	6
37	479001600
38	40321
39	722
40	9
41	6227020800
42	27
43	87178291200
44	122
45	10
46	362881
47	1307674368000
48	6
49	48
50	13
51	5042
52	722
53	20922789888000
54	7
55	126
56	27
57	40322
58	3628801
59	355687428096000
60	10
61	6402373705728000
62	39916801
63	28
64	6
65	726
66	123

[0, 1, 2, 2, 6, 3, 24, 3, 4, 7, 120, 4, 720, 25, 8, 4, 5040, 5, 40320, 8, 26, 121, 362880, 5, 12, 721, 6, 26, 3628800, 9, 39916800, 5, 122, 5041, 30, 6, 479001600, 40321, 722, 9, 6227020800, 27, 87178291200, 122, 10, 362881, 1307674368000, 6, 48, 13, 5042, 722, 20922789888000, 7, 126, 27, 40322, 3628801, 355687428096000, 10, 6402373705728000, 39916801, 28, 6, 726, 123]

cp's OEIS Frontend

A276075 a(1) = 0, a(n) = (e1i1! + e2i2! + ... + eziz!) for n = prime(i1)^e1 prime(i2)^e2 * ... * prime(iz)^ez, where prime(k) is the k-th prime, A000040(k).

Table of values

List of values

cp's OEIS Frontend

A276075 a(1) = 0, a(n) = (e1*i1! + e2*i2! + ... + ez*iz!) for n = prime(i1)^e1 * prime(i2)^e2 * ... * prime(iz)^ez, where prime(k) is the k-th prime, A000040(k).

Table of values

List of values

A276075 a(1) = 0, a(n) = (e1i1! + e2i2! + ... + eziz!) for n = prime(i1)^e1 prime(i2)^e2 * ... * prime(iz)^ez, where prime(k) is the k-th prime, A000040(k).