A278816 - cp's OEIS frontend

A278816 Numbers that can be produced from their own digits by applying one or more of the eight operations {+, -, *, /, sqrt(), ^, !, concat11()}, with no operation used more than once, where "concat11()" means the operation of concatenating two single digits.

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

[0, 1, 2, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83, 84]

cp's OEIS Frontend

A278816 Numbers that can be produced from their own digits by applying one or more of the eight operations {+, -, *, /, sqrt(), ^, !, concat11()}, with no operation used more than once, where "concat11()" means the operation of concatenating two single digits.

Table of values

List of values

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

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

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