A376270 - cp's OEIS frontend

A376270 a(n) is the product of the leading digit of n and the sum of the squares of its digits.

n	a(n)
0	0
1	1
2	8
3	27
4	64
5	125
6	216
7	343
8	512
9	729
10	1
11	2
12	5
13	10
14	17
15	26
16	37
17	50
18	65
19	82
20	8
21	10
22	16
23	26
24	40
25	58
26	80
27	106
28	136
29	170
30	27
31	30
32	39
33	54
34	75
35	102
36	135
37	174
38	219
39	270
40	64
41	68
42	80
43	100
44	128
45	164
46	208
47	260
48	320
49	388
50	125
51	130
52	145
53	170
54	205
55	250
56	305
57	370
58	445
59	530
60	216
61	222
62	240
63	270
64	312
65	366

[0, 1, 8, 27, 64, 125, 216, 343, 512, 729, 1, 2, 5, 10, 17, 26, 37, 50, 65, 82, 8, 10, 16, 26, 40, 58, 80, 106, 136, 170, 27, 30, 39, 54, 75, 102, 135, 174, 219, 270, 64, 68, 80, 100, 128, 164, 208, 260, 320, 388, 125, 130, 145, 170, 205, 250, 305, 370, 445, 530, 216, 222, 240, 270, 312, 366]

cp's OEIS Frontend

A376270 a(n) is the product of the leading digit of n and the sum of the squares of its digits.

Table of values

List of values

n	a(n)
0	0
1	1
2	8
3	27
4	64
5	125
6	216
7	343
8	512
9	729
10	1
11	2
12	5
13	10
14	17
15	26
16	37
17	50
18	65
19	82
20	8
21	10
22	16
23	26
24	40
25	58
26	80
27	106
28	136
29	170
30	27
31	30
32	39
33	54
34	75
35	102
36	135
37	174
38	219
39	270
40	64
41	68
42	80
43	100
44	128
45	164
46	208
47	260
48	320
49	388
50	125
51	130
52	145
53	170
54	205
55	250
56	305
57	370
58	445
59	530
60	216
61	222
62	240
63	270
64	312
65	366

n	a(n)
0	0
1	1
2	8
3	27
4	64
5	125
6	216
7	343
8	512
9	729
10	1
11	2
12	5
13	10
14	17
15	26
16	37
17	50
18	65
19	82
20	8
21	10
22	16
23	26
24	40
25	58
26	80
27	106
28	136
29	170
30	27
31	30
32	39
33	54
34	75
35	102
36	135
37	174
38	219
39	270
40	64
41	68
42	80
43	100
44	128
45	164
46	208
47	260
48	320
49	388
50	125
51	130
52	145
53	170
54	205
55	250
56	305
57	370
58	445
59	530
60	216
61	222
62	240
63	270
64	312
65	366

n	a(n)
0	0
1	1
2	8
3	27
4	64
5	125
6	216
7	343
8	512
9	729
10	1
11	2
12	5
13	10
14	17
15	26
16	37
17	50
18	65
19	82
20	8
21	10
22	16
23	26
24	40
25	58
26	80
27	106
28	136
29	170
30	27
31	30
32	39
33	54
34	75
35	102
36	135
37	174
38	219
39	270
40	64
41	68
42	80
43	100
44	128
45	164
46	208
47	260
48	320
49	388
50	125
51	130
52	145
53	170
54	205
55	250
56	305
57	370
58	445
59	530
60	216
61	222
62	240
63	270
64	312
65	366