A306265 Terms in A323711 such that deleting any existing 9 or 0 digit in decimal notation does not result in a term of A323711.

142857, 285714, 15623784, 15843762, 17438256, 17562438, 18243756, 21584376, 23784156, 24375618, 24381756, 25617438, 137965842, 139657842, 157836042, 157836204, 157839642, 157840362, 157842036, 157860342, 157862034, 157963842, 158379642, 159637842, 160357842

Offset

1,1

Comments

Terms in A323711 can be generated by inserting 9's and 0's under certain conditions (see comment in A323711). These are the terms that are not formed this way and can be considered primitive terms of A323711. The first term containing the digit 0 is a(15) = 157836042 and the first term containing the digit 9 is a(13) = 137965842.

Terms in A323711 without the digits 0 and 9 are in the sequence.

Links

Chai Wah Wu, Table of n, a(n) for n = 1..5845

Example

A323711(3) = 1402857. Deleting the digit 0 results in 142857 which is A323711(1). Similarly, deleting 0's and 9' from A323711(3)-A323711(20) results in another term of A323711 and a(3) = A323711(21).

Crossrefs

Cf. A323711.

Sequence in context: A166320 A101202 A323711 * A144504 A344436 A146754

Adjacent sequences: A306262 A306263 A306264 * A306266 A306267 A306268

Keyword

nonn,base

Author

Chai Wah Wu, Feb 01 2019

Status

approved