A289396 a(n) = A288851(n)/12.

42, 11949, 4265002, 1713048225, 733858320426, 327479221781677, 150310620492466218, 70428822653977730817, 33523597190772239402026, 16156445902957272648713901, 7865129058155349010009168938, 3860735065245250133098748713633

Offset: 1

Author

Seiichi Manyama, Jul 05 2017

Keywords

• nonn

Links

• Seiichi Manyama, Table of n, a(n) for n = 1..367

Crossrefs

Cf. A013973 (E_6), A109817 (E_6^(1/12)), A288851.

Cf. A289394, A289395.

Formula

a(n) = 1 + (1/(24*n)) * Sum_{d|n} A008683(n/d) * A288840(d).