A266399 a(n) = A188163(A088359(n)); positions where A004001 obtains unique values.

5, 9, 10, 17, 18, 19, 22, 33, 34, 35, 36, 39, 40, 43, 49, 65, 66, 67, 68, 69, 72, 73, 74, 77, 78, 81, 87, 88, 91, 97, 107, 129, 130, 131, 132, 133, 134, 137, 138, 139, 140, 143, 144, 145, 148, 149, 152, 158, 159, 160, 163, 164, 167, 173, 174, 177, 183, 193, 194, 197, 203, 213, 228, 257, 258, 259, 260, 261

Offset: 1

Author

Antti Karttunen, Jan 18 2016

Keywords

• nonn

Comments

Numbers n for which A004001(n-1) < A004001(n) < A004001(n+1).

Links

• Antti Karttunen, Table of n, a(n) for n = 1..8192

Crossrefs

Cf. A004001.

Subsequence of A088359 and A188163.

Cf. also A266188.

Formula

a(n) = A188163(A088359(n)) = A088359(A088359(n)-1) = A188163(A188163(1+n)).

Other identities. For all n >= 1:

A004001(a(n)) = A088359(n).