|
Search: id:A074637
|
|
|
| A074637 |
|
Numerator of 4 * H(n,4,3), a generalized harmonic number. |
|
+0
3
|
|
| 4, 40, 524, 976, 20084, 491192, 13935164, 450160544, 93250876, 1249813672, 55206526972, 2657681947952, 46167204272716, 235410309457592, 14140794103168588, 14376406243883968, 978062783205294796
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
MATHEMATICA
|
Table[ Numerator[ Sum[1/i, {i, 3/4, n}]], {n, 1, 20}]
|
|
CROSSREFS
|
The denominators are in A074638.
Cf. A075135.
Sequence in context: A114468 A002705 A034385 this_sequence A075878 A092812 A128573
Adjacent sequences: A074634 A074635 A074636 this_sequence A074638 A074639 A074640
|
|
KEYWORD
|
easy,frac,nonn
|
|
AUTHOR
|
Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 27 2002
|
|
EXTENSIONS
|
Better description from T. D. Noe (noe(AT)sspectra.com), Sep 04 2002
|
|
|
Search completed in 0.002 seconds
|
