A365448 - cp's OEIS frontend

A365448 Array read by antidiagonals: row 1 is the semiprimes A001358; for m > 1, row m is the semiprimes that are the sum of two successive terms of row m-1.

n	a(n)
1	4
2	6
3	10
4	9
5	15
6	25
7	10
8	51
9	146
10	422
11	14
12	69
13	201
14	551
15	973
16	15
17	77
18	221
19	667
20	1858
21	2831
22	21
23	85
24	249
25	1191
26	89855
27	312493
28	127418369
29	22
30	95
31	302
32	1343
33	110099
34	2676567
35	154171217

[4, 6, 10, 9, 15, 25, 10, 51, 146, 422, 14, 69, 201, 551, 973, 15, 77, 221, 667, 1858, 2831, 21, 85, 249, 1191, 89855, 312493, 127418369, 22, 95, 302, 1343, 110099, 2676567, 154171217]

cp's OEIS Frontend

A365448 Array read by antidiagonals: row 1 is the semiprimes A001358; for m > 1, row m is the semiprimes that are the sum of two successive terms of row m-1.

Table of values

List of values