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 A164000 Main diagonal of array in A163280. 14
 1, 6, 15, 28, 45, 66, 91, 128, 162, 200, 231, 372, 325, 406, 495, 656, 561, 954, 703, 1180, 987, 1078, 1035, 1896, 1375, 1534, 1701, 2324, 1653, 3090, 1891, 3104, 2541, 2686, 3045, 5004, 2701, 3382, 3627, 5560, 3321, 6846, 3655, 6028, 6165, 5014, 4371 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS MAPLE A033676 := proc(n) local a, d; a := 0 ; for d in numtheory[divisors](n) do if d^2 <= n then a := max(a, d) ; end if; end do: a; end proc: A163280 := proc(n, k) local r, T ; r := 0 ; for T from k^2 by k do if A033676(T) = k then r := r+1 ; if r = n then RETURN(T) ; end if; end if; end do: end proc: A164000 := proc(n) A163280(n, n) ; end proc: seq(A164000(n), n=1..60) ; # R. J. Mathar, Feb 16 2010 CROSSREFS Cf. A008578, A161344, A161345, A163280. Sequence in context: A081873 A096892 A000384 * A212087 A301292 A134978 Adjacent sequences:  A163997 A163998 A163999 * A164001 A164002 A164003 KEYWORD nonn AUTHOR Omar E. Pol, Aug 08 2009 EXTENSIONS Terms from a(13) on by R. J. Mathar, Feb 16 2010 STATUS approved

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Last modified October 16 09:29 EDT 2019. Contains 328056 sequences. (Running on oeis4.)