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A059028 Row sums of A059026: a(n) = sum( lcm(n,m)/n + lcm(n,m)/m - 1, m = 1..n ). 1
1, 3, 8, 13, 27, 26, 58, 57, 83, 85, 156, 104, 223, 180, 206, 241, 393, 257, 496, 327, 431, 478, 738, 428, 757, 681, 794, 682, 1191, 632, 1366, 993, 1133, 1195, 1320, 971, 1963, 1506, 1610, 1315, 2421, 1313, 2668, 1788, 1877, 2236, 3198, 1748, 3103 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
MATHEMATICA
Table[Sum[LCM[n, m]/n+LCM[n, m]/m-1, {m, n}], {n, 50}] (* Harvey P. Dale, Dec 11 2016 *)
CROSSREFS
Cf. A059026.
Sequence in context: A076792 A146939 A181540 * A066809 A009848 A337504
KEYWORD
nonn,easy
AUTHOR
Asher Auel, Dec 15 2000
STATUS
approved

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Last modified April 23 11:07 EDT 2024. Contains 371905 sequences. (Running on oeis4.)