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 A002382 Numbers of the form (p^2 - 49)/120 where p is prime. (Formerly M1242 N0476) 3
 0, 1, 2, 4, 11, 15, 18, 23, 37, 44, 57, 78, 88, 95, 106, 134, 156, 205, 221, 232, 249, 310, 323, 414, 429, 452, 550, 576, 639, 667, 715, 785, 816, 837, 946, 1003, 1038, 1122, 1159, 1222, 1313, 1562, 1635, 1740, 1786, 1817, 1976, 2108, 2279, 2493, 2585, 2641 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS Primes p corresponding to a(n) are found in A003631(n+2) = A042993(n+3) = A097957(n+1). - Ray Chandler, Jul 29 2019 REFERENCES H. Gupta, On a conjecture of Chowla, Proc. Indian Acad. Sci., 5A (1937), 381-384. N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). LINKS Ray Chandler, Table of n, a(n) for n = 1..10000 (first 1000 terms from Harvey P. Dale) H. Gupta, On a conjecture of Chowla, Proc. Indian Acad. Sci., 5A (1937), 381-384. [Annotated scanned copy] MATHEMATICA Select[(Prime[Range[150]]^2-49)/120, IntegerQ] (* Harvey P. Dale, Jan 19 2014 *) CROSSREFS Cf. A002381, A002855, A003631, A042993, A097957. Sequence in context: A038193 A227456 A214429 * A356478 A330856 A180384 Adjacent sequences: A002379 A002380 A002381 * A002383 A002384 A002385 KEYWORD nonn AUTHOR N. J. A. Sloane EXTENSIONS More terms from James A. Sellers, May 03 2000 STATUS approved

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Last modified September 22 18:47 EDT 2023. Contains 365531 sequences. (Running on oeis4.)