A027461 Third column of A027447.

4, 37, 1489, 2059, 128431, 621139, 6527971, 7435423, 1005856303, 1108515013, 204122194357, 220369102177, 236110035385, 1005497693095, 307715924645815, 324354836175055, 122932720987212535, 128616795798807715, 134153085587608915, 139549693559545915

Offset

3,1

Links

Table of n, a(n) for n=3..22.

Formula

Numerators of sequence a(3, n) in (a(i, j))^3 where a(i, j) = 1/i if j <= i, 0 if j > i.

Crossrefs

Sequence in context: A220245 A371441 A280219 * A144991 A073237 A218334

Adjacent sequences: A027458 A027459 A027460 * A027462 A027463 A027464

Keyword

nonn

Author

Olivier Gérard

Extensions

More terms from Sean A. Irvine, Nov 04 2019

Status

approved