id:A058269 - OEIS Search Results

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An approximation to sigma_{3/2}(n): floor( sum_{d|n} d^(3/2) ).

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1, 3, 6, 11, 12, 23, 19, 34, 33, 46, 37, 73, 47, 74, 75, 98, 71, 127, 83, 144, 120, 143, 111, 213, 137, 183, 173, 230, 157, 288, 173, 279, 232, 272, 237, 392, 226, 320, 296, 419, 263, 463, 282, 443, 404, 426, 323, 610, 362, 525, 440, 566, 386 (list; graph; listen)

	OFFSET	`1,2`
	MAPLE	`f := proc(n) local d, t1, t2; t2 := 0; t1 := divisors(n); for d in t1 do t2 := t2 + d^(3/2) end do; t2; end proc; # exact value of sigma_{3/2}(n)`
	CROSSREFS	`Sequence in context: A000419 A115821 A115767 this_sequence A073942 A136981 A074737` `Adjacent sequences: A058266 A058267 A058268 this_sequence A058270 A058271 A058272`
	KEYWORD	`nonn`
	AUTHOR	`njas, Dec 08 2000`

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Last modified August 29 17:54 EDT 2008. Contains 143238 sequences.

AT&T Labs Research