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A069533
a(n) = Sum_{p prime} floor(n^2/p^2) where the sum is over all the primes.
7
0, 1, 3, 5, 9, 14, 19, 26, 33, 42, 50, 60, 71, 83, 96, 110, 124, 139, 157, 175, 192, 210, 231, 252, 274, 297, 321, 345, 369, 398, 423, 451, 483, 512, 544, 573, 606, 639, 675, 710, 745, 785, 822, 863, 902, 943, 986, 1028, 1070, 1113, 1161, 1207, 1254, 1304
OFFSET
1,3
CROSSREFS
Sequence in context: A266250 A127720 A118002 * A054066 A081946 A166709
KEYWORD
easy,nonn
AUTHOR
Benoit Cloitre, Apr 16 2002
STATUS
approved