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 A021028 Decimal expansion of 1/24. 4
 0, 4, 1, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Divided by 10, this is zeta(-7), where zeta is the Riemann zeta function. - Alonso del Arte, Jan 13 2012 REFERENCES L. B. W. Jolley, Summation of series, Dover Publications Inc. (New York), 1961, p. 40 (series n. 210). LINKS FORMULA Equals 1/(1*4*7) + 1/(4*7*10) + 1/(7*10*13) + 1/(10*13*16) + ... = Sum_{i>=0} 1/((3i+1)*(3i+4)*(3i+7)). [Bruno Berselli, Mar 21 2014] MATHEMATICA RealDigits[1/24, 10, 100, -1][[1]] (* Alonso del Arte, Jan 13 2012 *) CROSSREFS Cf. A016777 (numbers of the form 3n+1). Sequence in context: A008565 A205325 A021100 * A193529 A214561 A066575 Adjacent sequences:  A021025 A021026 A021027 * A021029 A021030 A021031 KEYWORD nonn,cons,easy AUTHOR STATUS approved

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Last modified January 17 10:30 EST 2019. Contains 319218 sequences. (Running on oeis4.)