A194458 - cp's OEIS frontend

A194458 Total number of entries in rows 0,1,...,n of Pascal's triangle not divisible by 5.

n	a(n)
0	1
1	3
2	6
3	10
4	15
5	17
6	21
7	27
8	35
9	45
10	48
11	54
12	63
13	75
14	90
15	94
16	102
17	114
18	130
19	150
20	155
21	165
22	180
23	200
24	225
25	227
26	231
27	237
28	245
29	255
30	259
31	267
32	279
33	295
34	315
35	321
36	333
37	351
38	375
39	405
40	413
41	429
42	453
43	485
44	525
45	535
46	555
47	585
48	625
49	675
50	678
51	684
52	693
53	705
54	720
55	726

[1, 3, 6, 10, 15, 17, 21, 27, 35, 45, 48, 54, 63, 75, 90, 94, 102, 114, 130, 150, 155, 165, 180, 200, 225, 227, 231, 237, 245, 255, 259, 267, 279, 295, 315, 321, 333, 351, 375, 405, 413, 429, 453, 485, 525, 535, 555, 585, 625, 675, 678, 684, 693, 705, 720, 726]

cp's OEIS Frontend

A194458 Total number of entries in rows 0,1,...,n of Pascal's triangle not divisible by 5.

Table of values

List of values

n	a(n)
0	1
1	3
2	6
3	10
4	15
5	17
6	21
7	27
8	35
9	45
10	48
11	54
12	63
13	75
14	90
15	94
16	102
17	114
18	130
19	150
20	155
21	165
22	180
23	200
24	225
25	227
26	231
27	237
28	245
29	255
30	259
31	267
32	279
33	295
34	315
35	321
36	333
37	351
38	375
39	405
40	413
41	429
42	453
43	485
44	525
45	535
46	555
47	585
48	625
49	675
50	678
51	684
52	693
53	705
54	720
55	726

n	a(n)
0	1
1	3
2	6
3	10
4	15
5	17
6	21
7	27
8	35
9	45
10	48
11	54
12	63
13	75
14	90
15	94
16	102
17	114
18	130
19	150
20	155
21	165
22	180
23	200
24	225
25	227
26	231
27	237
28	245
29	255
30	259
31	267
32	279
33	295
34	315
35	321
36	333
37	351
38	375
39	405
40	413
41	429
42	453
43	485
44	525
45	535
46	555
47	585
48	625
49	675
50	678
51	684
52	693
53	705
54	720
55	726

n	a(n)
0	1
1	3
2	6
3	10
4	15
5	17
6	21
7	27
8	35
9	45
10	48
11	54
12	63
13	75
14	90
15	94
16	102
17	114
18	130
19	150
20	155
21	165
22	180
23	200
24	225
25	227
26	231
27	237
28	245
29	255
30	259
31	267
32	279
33	295
34	315
35	321
36	333
37	351
38	375
39	405
40	413
41	429
42	453
43	485
44	525
45	535
46	555
47	585
48	625
49	675
50	678
51	684
52	693
53	705
54	720
55	726