A048189 Let (u1,u2) be successive untouchable numbers such that phi(u1) = phi(u2); sequence gives values of u1.

96, 292, 612, 626, 732, 1186, 1346, 1522, 1944, 2198, 3202, 3270, 3454, 3684, 3746, 4322, 5848, 5950, 6276, 6396, 6626, 7466, 7522, 7932, 7972, 8482, 8548, 8676, 12756, 12868, 13958, 15342, 15524, 15852, 15866, 17550, 17938, 18002, 18534, 19516, 20452, 22716

Offset

1,1

Links

Amiram Eldar, Table of n, a(n) for n = 1..4309 (terms 1..81 from Michel Marcus)

Example

96 is a term since 96 and 120 are successive untouchable numbers and phi(96) = phi(120).
292 is a term since 292 and 304 are successive untouchable numbers and phi(292) = phi(304).

Crossrefs

Cf. A000010, A005114, A048188, A048190, A048191.

Sequence in context: A202584 A062027 A320883 * A304830 A301459 A220540

Adjacent sequences: A048186 A048187 A048188 * A048190 A048191 A048192

Keyword

nonn

Author

Naohiro Nomoto

Extensions

Offset changed to 1 and more terms from Michel Marcus, Jun 08 2015

Status

approved