A242421 - cp's OEIS frontend

A242421 Fixed points of A153212: After a(1) = 1, numbers of the form p_i1^i1 * p_i2^(i2-i1) * p_i3^(i3-i2) * ... * p_ik^(ik-i_{k-1}), where p_i's are distinct primes present in the prime factorization of n, with i1 < i2 < i3 < ... < ik, and k = A001221(n) and ik = A061395(n).

n	a(n)
1	1
2	2
3	6
4	9
5	30
6	45
7	50
8	125
9	210
10	294
11	315
12	350
13	441
14	686
15	875
16	2310
17	2401
18	3234
19	3465
20	3630
21	3850
22	4851
23	5445
24	6050
25	7546
26	7986
27	9625
28	11979
29	15125
30	26411
31	29282
32	30030
33	35490
34	42042
35	45045
36	47190
37	49686
38	50050
39	53235
40	59150
41	63063
42	65910
43	70785
44	74529
45	78650
46	98098
47	98865
48	103818
49	109850
50	115934
51	125125
52	147875
53	155727
54	161051
55	171366
56	196625
57	257049
58	274625
59	343343
60	380666
61	405769
62	510510

[1, 2, 6, 9, 30, 45, 50, 125, 210, 294, 315, 350, 441, 686, 875, 2310, 2401, 3234, 3465, 3630, 3850, 4851, 5445, 6050, 7546, 7986, 9625, 11979, 15125, 26411, 29282, 30030, 35490, 42042, 45045, 47190, 49686, 50050, 53235, 59150, 63063, 65910, 70785, 74529, 78650, 98098, 98865, 103818, 109850, 115934, 125125, 147875, 155727, 161051, 171366, 196625, 257049, 274625, 343343, 380666, 405769, 510510]

cp's OEIS Frontend

A242421 Fixed points of A153212: After a(1) = 1, numbers of the form p_i1^i1 * p_i2^(i2-i1) * p_i3^(i3-i2) * ... * p_ik^(ik-i_{k-1}), where p_i's are distinct primes present in the prime factorization of n, with i1 < i2 < i3 < ... < ik, and k = A001221(n) and ik = A061395(n).

Table of values

List of values