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 A196548 Decimal expansion of Sum_{i>=0} 1/((6*i+2)*(6*i+5)). 2
 1, 2, 4, 5, 1, 6, 9, 0, 9, 2, 9, 7, 1, 4, 1, 3, 9, 3, 4, 6, 4, 0, 9, 4, 0, 1, 5, 1, 3, 1, 5, 5, 3, 2, 4, 0, 4, 6, 7, 6, 1, 8, 4, 5, 7, 0, 8, 1, 3, 8, 7, 2, 5, 7, 9, 3, 8, 8, 0, 0, 5, 4, 7, 3, 2, 1, 6, 3, 6, 6, 1, 7, 6, 8, 4 (list; constant; graph; refs; listen; history; text; internal format)
 OFFSET 0,2 COMMENTS Sum of the inverse elements of the sequence 10, 88, 238, 460, 754, 1120, 1558,... REFERENCES L. B. W. Jolley, Summation of Series, Dover, 1961, eq. (263) on page 48. J. Rivaud, Analyse, Séries, équations différentielles, Mathématiques supérieures et spéciales, Premier cycle universitaire, Vuibert, 1981, Exercice 3, p. 132. LINKS FORMULA Equals (Pi/sqrt(3)-log(2))/9 = 1/(2*5) +1/(8*11) +1/(14*17)+... Equals (1/3) * A193534. - Bernard Schott, Jan 28 2022 EXAMPLE 0.124516909297141393464094015131553... MAPLE (Pi/sqrt(3)-log(2))/9 ; evalf(%) ; MATHEMATICA RealDigits[(Pi/Sqrt[3] - Log[2])/9, 10, 75][[1]] (* Bruno Berselli, Dec 20 2011 *) CROSSREFS Cf. A093602, A002162, A193534. Sequence in context: A308319 A167380 A242613 * A274316 A075884 A030750 Adjacent sequences:  A196545 A196546 A196547 * A196549 A196550 A196551 KEYWORD nonn,cons,easy AUTHOR R. J. Mathar, Oct 03 2011 STATUS approved

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Last modified July 5 20:09 EDT 2022. Contains 355102 sequences. (Running on oeis4.)