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 A112781 Number of highly composite numbers (definition 1, A002182) < 10^n. 6
 4, 9, 15, 20, 29, 38, 47, 56, 66, 76, 86, 95, 106, 117, 125, 135, 146, 156, 167, 177, 186, 196, 209, 219, 231, 241, 254, 267, 280, 292, 305, 316, 330, 343, 356, 368, 381, 396, 409, 423, 436, 450, 463, 476, 491, 503, 517, 530, 547, 561, 577, 593, 608, 625, 640 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Eric Weisstein's World of Mathematics, Highly Composite Number A. Flammenkamp, First 1200 highly composite numbers FORMULA Partial sums of A112780. - Lekraj Beedassy, Sep 02 2006 EXAMPLE a(1) = 4 since there are four highly composite numbers < 10^1 {1,2,4,6}. CROSSREFS Cf. A002182, A002183, A108602, A112778, A112779, A112780. Sequence in context: A313272 A301680 A281590 * A166131 A313273 A313274 Adjacent sequences:  A112778 A112779 A112780 * A112782 A112783 A112784 KEYWORD nonn AUTHOR Ray Chandler, Nov 11 2005 STATUS approved

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Last modified March 24 12:14 EDT 2019. Contains 321448 sequences. (Running on oeis4.)