A325775 - cp's OEIS frontend

A325775 Numbers that bring back the last digit of n on its first digit, using the "boomerang protocol" explained in A308306, with no duplicate term (except the -1 terms). See the Comments and Example sections for details.

n	a(n)
1	102
2	25
3	20
4	27
5	22
6	29
7	24
8	90
9	26
10	0
11	104
12	10
13	40
14	30
15	42
16	49
17	44
18	70
19	28
20	3
21	23
22	5
23	12
24	7
25	2
26	9
27	4
28	19
29	6
30	14
31	106
32	21
33	60
34	32
35	62
36	47
37	46
38	50
39	48
40	13
41	52
42	15
43	45
44	17
45	34
46	37
47	36
48	39
49	16
50	38
51	108
52	41
53	80
54	43
55	64
56	54
57	66
58	69
59	68
60	33
61	72
62	35
63	74
64	55
65	67
66	57
67	56
68	59
69	58
70	18
71	128
72	61
73	82
74	63
75	84
76	65
77	86
78	76
79	88
80	53
81	92
82	73
83	94
84	75
85	96

[102, 25, 20, 27, 22, 29, 24, 90, 26, 0, 104, 10, 40, 30, 42, 49, 44, 70, 28, 3, 23, 5, 12, 7, 2, 9, 4, 19, 6, 14, 106, 21, 60, 32, 62, 47, 46, 50, 48, 13, 52, 15, 45, 17, 34, 37, 36, 39, 16, 38, 108, 41, 80, 43, 64, 54, 66, 69, 68, 33, 72, 35, 74, 55, 67, 57, 56, 59, 58, 18, 128, 61, 82, 63, 84, 65, 86, 76, 88, 53, 92, 73, 94, 75, 96]

cp's OEIS Frontend

A325775 Numbers that bring back the last digit of n on its first digit, using the "boomerang protocol" explained in A308306, with no duplicate term (except the -1 terms). See the Comments and Example sections for details.

Table of values

List of values

n	a(n)
1	102
2	25
3	20
4	27
5	22
6	29
7	24
8	90
9	26
10	0
11	104
12	10
13	40
14	30
15	42
16	49
17	44
18	70
19	28
20	3
21	23
22	5
23	12
24	7
25	2
26	9
27	4
28	19
29	6
30	14
31	106
32	21
33	60
34	32
35	62
36	47
37	46
38	50
39	48
40	13
41	52
42	15
43	45
44	17
45	34
46	37
47	36
48	39
49	16
50	38
51	108
52	41
53	80
54	43
55	64
56	54
57	66
58	69
59	68
60	33
61	72
62	35
63	74
64	55
65	67
66	57
67	56
68	59
69	58
70	18
71	128
72	61
73	82
74	63
75	84
76	65
77	86
78	76
79	88
80	53
81	92
82	73
83	94
84	75
85	96

n	a(n)
1	102
2	25
3	20
4	27
5	22
6	29
7	24
8	90
9	26
10	0
11	104
12	10
13	40
14	30
15	42
16	49
17	44
18	70
19	28
20	3
21	23
22	5
23	12
24	7
25	2
26	9
27	4
28	19
29	6
30	14
31	106
32	21
33	60
34	32
35	62
36	47
37	46
38	50
39	48
40	13
41	52
42	15
43	45
44	17
45	34
46	37
47	36
48	39
49	16
50	38
51	108
52	41
53	80
54	43
55	64
56	54
57	66
58	69
59	68
60	33
61	72
62	35
63	74
64	55
65	67
66	57
67	56
68	59
69	58
70	18
71	128
72	61
73	82
74	63
75	84
76	65
77	86
78	76
79	88
80	53
81	92
82	73
83	94
84	75
85	96

n	a(n)
1	102
2	25
3	20
4	27
5	22
6	29
7	24
8	90
9	26
10	0
11	104
12	10
13	40
14	30
15	42
16	49
17	44
18	70
19	28
20	3
21	23
22	5
23	12
24	7
25	2
26	9
27	4
28	19
29	6
30	14
31	106
32	21
33	60
34	32
35	62
36	47
37	46
38	50
39	48
40	13
41	52
42	15
43	45
44	17
45	34
46	37
47	36
48	39
49	16
50	38
51	108
52	41
53	80
54	43
55	64
56	54
57	66
58	69
59	68
60	33
61	72
62	35
63	74
64	55
65	67
66	57
67	56
68	59
69	58
70	18
71	128
72	61
73	82
74	63
75	84
76	65
77	86
78	76
79	88
80	53
81	92
82	73
83	94
84	75
85	96