A270346 - cp's OEIS frontend

A270346 a(n) is the number whose base-11 digits are, in order, the first n terms of the simple periodic sequence: repeat 2,3,5,7.

n	a(n)
1	2
2	25
3	280
4	3087
5	33959
6	373552
7	4109077
8	45199854
9	497198396
10	5469182359
11	60161005954
12	661771065501
13	7279481720513
14	80074298925646
15	880817288182111
16	9688990170003228
17	106578891870035510
18	1172367810570390613
19	12896045916274296748
20	141856505079017264235

[2, 25, 280, 3087, 33959, 373552, 4109077, 45199854, 497198396, 5469182359, 60161005954, 661771065501, 7279481720513, 80074298925646, 880817288182111, 9688990170003228, 106578891870035510, 1172367810570390613, 12896045916274296748, 141856505079017264235]

cp's OEIS Frontend

A270346 a(n) is the number whose base-11 digits are, in order, the first n terms of the simple periodic sequence: repeat 2,3,5,7.

Table of values

List of values