A174924 - cp's OEIS frontend

A174924 Semiprimes sp(k) = q * r such that sum of digits of sp(k) equals sum of digits of the semiprime index k.

n	a(n)
1	14
2	15
3	55
4	121
5	122
6	123
7	214
8	215
9	265
10	287
11	407
12	481
13	482
14	535
15	667
16	813
17	851
18	901
19	951
20	1119
21	1149
22	1174
23	1537
24	1538
25	1639
26	1681
27	1961
28	2059
29	2117
30	2165
31	2209
32	2245
33	2246
34	2386
35	2419
36	2458
37	2501
38	2513
39	2537
40	2603
41	2629
42	2641
43	2642
44	2643
45	2807
46	2845

[14, 15, 55, 121, 122, 123, 214, 215, 265, 287, 407, 481, 482, 535, 667, 813, 851, 901, 951, 1119, 1149, 1174, 1537, 1538, 1639, 1681, 1961, 2059, 2117, 2165, 2209, 2245, 2246, 2386, 2419, 2458, 2501, 2513, 2537, 2603, 2629, 2641, 2642, 2643, 2807, 2845]

cp's OEIS Frontend

A174924 Semiprimes sp(k) = q * r such that sum of digits of sp(k) equals sum of digits of the semiprime index k.

Table of values

List of values