A307257 Numbers k such that k is the substring identical to the most significant digits of its base-6 representation.

0, 1, 2, 3, 4, 5, 155133423353, 1535554025003332541, 1541322512150022100, 14544222532144144105400055, 15313352033401001032012412, 144510301032554451200342301123415, 145033105231511102401034455341005, 152142233320210504134120425450055, 1435322205115414041210434301130104431115

Offset: 1

Author

Scott R. Shannon, Apr 01 2019

Keywords

• nonn
• base

Comments

Numbers k whose base-6 representation begins with the same digits as k itself.

Examples

			155133423353_10 = 155133423353145_6, which also begins with '155133423353'.
		

Links

• Scott R. Shannon, Table of n, a(n) for n = 1..500

Crossrefs

This is a subsequence of A038106.

Programs

PARI

isok(n) = my(vb=digits(n, 6), vd=digits(n)); vd == vector(#vd, k, vb[k]); \\ Michel Marcus, Apr 08 2019