A093920 Row sums of A093919.

1, 4, 15, 40, 205, 276, 1939, 4432, 13689, 18100, 199111, 200784, 2610205, 3136420, 3191595, 7012576, 119213809, 137103012, 2604957247, 2605199080, 2608367181, 3084857644, 70951725835, 71062911792, 355315542025, 442803520276

Offset

1,2

Links

Table of n, a(n) for n=1..26.

Mathematica

T[n_, k_] := LCM @@ Drop[ Reverse[ Range[n]], (k - n)]; Table[ Plus @@ Table[ T[n, k], {k, n}], {n, 26}] (* Robert G. Wilson v, Apr 27 2004 *)

Crossrefs

Cf. A093919.

Sequence in context: A031164 A116600 A074033 * A389183 A342352 A011844

Adjacent sequences: A093917 A093918 A093919 * A093921 A093922 A093923

Keyword

nonn

Author

Amarnath Murthy, Apr 25 2004

Extensions

Edited by Robert G. Wilson v, Apr 27 2004

Status

approved