A061076 - cp's OEIS frontend

A061076 a(n) is the sum of the products of the digits of all the numbers from 1 to n.

n	a(n)
1	1
2	3
3	6
4	10
5	15
6	21
7	28
8	36
9	45
10	45
11	46
12	48
13	51
14	55
15	60
16	66
17	73
18	81
19	90
20	90
21	92
22	96
23	102
24	110
25	120
26	132
27	146
28	162
29	180
30	180
31	183
32	189
33	198
34	210
35	225
36	243
37	264
38	288
39	315
40	315
41	319
42	327
43	339
44	355
45	375
46	399
47	427
48	459
49	495
50	495
51	500
52	510
53	525
54	545
55	570
56	600
57	635

[1, 3, 6, 10, 15, 21, 28, 36, 45, 45, 46, 48, 51, 55, 60, 66, 73, 81, 90, 90, 92, 96, 102, 110, 120, 132, 146, 162, 180, 180, 183, 189, 198, 210, 225, 243, 264, 288, 315, 315, 319, 327, 339, 355, 375, 399, 427, 459, 495, 495, 500, 510, 525, 545, 570, 600, 635]

cp's OEIS Frontend

A061076 a(n) is the sum of the products of the digits of all the numbers from 1 to n.

Table of values

List of values

n	a(n)
1	1
2	3
3	6
4	10
5	15
6	21
7	28
8	36
9	45
10	45
11	46
12	48
13	51
14	55
15	60
16	66
17	73
18	81
19	90
20	90
21	92
22	96
23	102
24	110
25	120
26	132
27	146
28	162
29	180
30	180
31	183
32	189
33	198
34	210
35	225
36	243
37	264
38	288
39	315
40	315
41	319
42	327
43	339
44	355
45	375
46	399
47	427
48	459
49	495
50	495
51	500
52	510
53	525
54	545
55	570
56	600
57	635

n	a(n)
1	1
2	3
3	6
4	10
5	15
6	21
7	28
8	36
9	45
10	45
11	46
12	48
13	51
14	55
15	60
16	66
17	73
18	81
19	90
20	90
21	92
22	96
23	102
24	110
25	120
26	132
27	146
28	162
29	180
30	180
31	183
32	189
33	198
34	210
35	225
36	243
37	264
38	288
39	315
40	315
41	319
42	327
43	339
44	355
45	375
46	399
47	427
48	459
49	495
50	495
51	500
52	510
53	525
54	545
55	570
56	600
57	635

n	a(n)
1	1
2	3
3	6
4	10
5	15
6	21
7	28
8	36
9	45
10	45
11	46
12	48
13	51
14	55
15	60
16	66
17	73
18	81
19	90
20	90
21	92
22	96
23	102
24	110
25	120
26	132
27	146
28	162
29	180
30	180
31	183
32	189
33	198
34	210
35	225
36	243
37	264
38	288
39	315
40	315
41	319
42	327
43	339
44	355
45	375
46	399
47	427
48	459
49	495
50	495
51	500
52	510
53	525
54	545
55	570
56	600
57	635