A212214 - cp's OEIS frontend

A212214 Number of representations of n as a sum of products of pairs of positive integers, n = Sum_{k=1..m} i_kj_k with i_k<=j_k, i_k<=i_{k+1}, j_k<=j_{k+1}, i_kj_k<=i_{k+1}*j_{k+1}.

n	a(n)
0	1
1	1
2	2
3	3
4	6
5	8
6	14
7	18
8	29
9	39
10	57
11	74
12	109
13	138
14	192
15	247
16	335
17	421
18	565
19	703
20	926
21	1151
22	1484
23	1828
24	2349
25	2868
26	3624
27	4423
28	5538
29	6706
30	8345
31	10048
32	12394
33	14895
34	18219
35	21789
36	26549
37	31596
38	38226
39	45415
40	54656
41	64654
42	77501
43	91368
44	109003
45	128244
46	152279

[1, 1, 2, 3, 6, 8, 14, 18, 29, 39, 57, 74, 109, 138, 192, 247, 335, 421, 565, 703, 926, 1151, 1484, 1828, 2349, 2868, 3624, 4423, 5538, 6706, 8345, 10048, 12394, 14895, 18219, 21789, 26549, 31596, 38226, 45415, 54656, 64654, 77501, 91368, 109003, 128244, 152279]

cp's OEIS Frontend

A212214 Number of representations of n as a sum of products of pairs of positive integers, n = Sum_{k=1..m} i_kj_k with i_k<=j_k, i_k<=i_{k+1}, j_k<=j_{k+1}, i_kj_k<=i_{k+1}*j_{k+1}.

Table of values

List of values

cp's OEIS Frontend

A212214 Number of representations of n as a sum of products of pairs of positive integers, n = Sum_{k=1..m} i_k*j_k with i_k<=j_k, i_k<=i_{k+1}, j_k<=j_{k+1}, i_k*j_k<=i_{k+1}*j_{k+1}.

Table of values

List of values

A212214 Number of representations of n as a sum of products of pairs of positive integers, n = Sum_{k=1..m} i_kj_k with i_k<=j_k, i_k<=i_{k+1}, j_k<=j_{k+1}, i_kj_k<=i_{k+1}*j_{k+1}.