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A048190
Let (u1,u2) be successive untouchable numbers such that phi(u1) = phi(u2); sequence gives values of u2.
4
120, 304, 624, 628, 738, 1192, 1348, 1528, 1956, 2212, 3208, 3276, 3476, 3708, 3748, 4336, 5876, 5952, 6282, 6402, 6632, 7468, 7528, 7944, 7976, 8488, 8552, 8688, 12762, 12872, 13972, 15348, 15536, 15858, 15868, 17556, 17944, 18008, 18552, 19520, 20464, 22734
OFFSET
1,1
LINKS
Amiram Eldar, Table of n, a(n) for n = 1..4309 (terms 1..81 from Michel Marcus)
EXAMPLE
120 is a term since 96 and 120 are successive untouchable numbers and phi(96) = phi(120).
304 is a term since 292 and 304 are successive untouchable numbers and phi(292) = phi(304).
CROSSREFS
KEYWORD
nonn
EXTENSIONS
Offset changed to 1 and more terms from Michel Marcus, Jun 08 2015
STATUS
approved