A175146 a(n) = d(A175145(n)-1)+d(A175145(n)+1), where d(m) is the number of divisors of m.

3, 5, 7, 8, 10, 11, 12, 14, 16, 20, 22, 26, 28, 32, 34, 36, 38, 44, 46, 48, 56, 60, 68, 72, 76, 80, 84, 92, 96, 100, 106, 108, 128, 136, 148, 156, 160, 168, 174, 176, 196, 200, 208, 236, 244, 248, 260, 304, 328, 344, 392, 416, 436, 456, 484, 520, 528, 536, 592, 608

Offset

1,1

Comments

This sequence is strictly monotonically increasing.

Links

Table of n, a(n) for n=1..60.

Crossrefs

Cf. A000005, A090481, A175144.

Sequence in context: A186350 A360392 A189829 * A351076 A171508 A049068

Adjacent sequences: A175143 A175144 A175145 * A175147 A175148 A175149

Keyword

nonn

Author

Leroy Quet, Feb 24 2010

Extensions

Extended by Ray Chandler, Mar 04 2010

Status

approved