A175351 a(n) = Sum_{k=1..n} A175350(k).

1, 3, 9, 14, 81, 92, 729, 741, 1089, 1136, 59049, 59075, 531441, 531904, 558009, 558024, 43046721, 43046839, 387420489, 387420625, 389509696, 389512192, 31381059609, 31381059616, 31713911056, 31714004992, 31717472836

Offset

1,2

Comments

The number of divisors of a(n) is n.

a(n+1)-a(n) does not equal a(m+1)-a(m) for any m not equal to n, n and m >= 1.

Links

Table of n, a(n) for n=1..27.

Crossrefs

Cf. A175350.

Sequence in context: A100785 A317038 A317692 * A332660 A343144 A050005

Adjacent sequences: A175348 A175349 A175350 * A175352 A175353 A175354

Keyword

nonn

Author

Leroy Quet, Apr 19 2010

Extensions

More terms from Farideh Firoozbakht, Mar 20 2010

Status

approved