A325104 - cp's OEIS frontend

A325104 Number of increasing pairs of positive integers up to n with at least one binary carry.

n	a(n)
0	0
1	0
2	0
3	2
4	2
5	5
6	9
7	15
8	15
9	20
10	26
11	35
12	43
13	54
14	66
15	80
16	80
17	89
18	99
19	114
20	126
21	143
22	161
23	182
24	198
25	219
26	241
27	266
28	290
29	317
30	345
31	375
32	375
33	392
34	410
35	437
36	457
37	486
38	516
39	551
40	575
41	608
42	642
43	681
44	717
45	758
46	800
47	845
48	877
49	918
50	960
51	1007
52	1051
53	1100
54	1150
55	1203

[0, 0, 0, 2, 2, 5, 9, 15, 15, 20, 26, 35, 43, 54, 66, 80, 80, 89, 99, 114, 126, 143, 161, 182, 198, 219, 241, 266, 290, 317, 345, 375, 375, 392, 410, 437, 457, 486, 516, 551, 575, 608, 642, 681, 717, 758, 800, 845, 877, 918, 960, 1007, 1051, 1100, 1150, 1203]

cp's OEIS Frontend

A325104 Number of increasing pairs of positive integers up to n with at least one binary carry.

Table of values

List of values