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 A066098 Sum of digits of primorial(n) (A002110). 1
 2, 6, 3, 3, 6, 6, 12, 48, 33, 48, 30, 48, 42, 51, 93, 87, 75, 111, 111, 132, 114, 141, 156, 150, 150, 156, 183, 213, 240, 201, 210, 222, 192, 210, 258, 249, 312, 267, 282, 348, 300, 336, 375, 312, 372, 390, 381, 363, 366, 411, 363, 366, 375, 399, 447 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Harry J. Smith, Table of n, a(n) for n=1,...,1000 FORMULA a(n)=C*n*ln(n) asymptotically with C=1.9... If the digits are supposed equidistributed, a(n)=9/(2*ln(10))*n*ln(n) asymptotically, where 9/(2ln(10))=1.9543251685... - Benoit Cloitre, Jan 05 2002 MATHEMATICA Table[ Apply[ Plus, IntegerDigits[ Product[ Prime[i], {i, 1, n} ]]], {n, 1, 55} ] PROG (PARI) SumD(x)= { local(s=0); while (x>9, s+=x%10; x\=10); return(s + x) } { p=1; for (n=1, 1000, p*=prime(n); s=SumD(p); write("b066098.txt", n, " ", s) ) } [From Harry J. Smith, Nov 13 2009] CROSSREFS Cf. A002110. Sequence in context: A218256 A198418 A086360 * A123733 A163892 A130108 Adjacent sequences:  A066095 A066096 A066097 * A066099 A066100 A066101 KEYWORD nonn,base AUTHOR Benoit Cloitre, Dec 30 2001 EXTENSIONS More terms from Robert G. Wilson v, Dec 31 2001 OFFSET changed from 0,1 to 1,1 by Harry J. Smith, Nov 13 2009 STATUS approved

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