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 A034683 Unitary abundant numbers (usigma(n)>2n). 24
 30, 42, 66, 70, 78, 102, 114, 138, 150, 174, 186, 210, 222, 246, 258, 282, 294, 318, 330, 354, 366, 390, 402, 420, 426, 438, 462, 474, 498, 510, 534, 546, 570, 582, 606, 618, 630, 642, 654, 660, 678, 690, 714, 726, 750, 762, 770, 780, 786, 798, 822, 834 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS If a term n in the sequence ends in neither 0 nor 5, then 10*n is also in the sequence. - Lekraj Beedassy, Jun 11 2004 REFERENCES C. Sung, Mathematical Buds, "Unitary Divisors", Chap. V pp. 42-67, Ed. H. D. Ruderman, Mu Alpha Theta OK 1978. LINKS Nathaniel Johnston, Table of n, a(n) for n = 1..10000 MAPLE isA034683 := proc(n)     is(A034448(n) > 2*n) ; end proc: for n from 1 do     if isA034683(n) then         print(n);     end if; end do: # R. J. Mathar, Nov 10 2014 CROSSREFS Cf. A034444, A034448, A129487. Sequence in context: A053858 A075819 A306217 * A328328 A302574 A087248 Adjacent sequences:  A034680 A034681 A034682 * A034684 A034685 A034686 KEYWORD nonn AUTHOR STATUS approved

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Last modified December 11 02:16 EST 2019. Contains 329910 sequences. (Running on oeis4.)