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A078916 a(n) = prime(n) + 2*n. 5
4, 7, 11, 15, 21, 25, 31, 35, 41, 49, 53, 61, 67, 71, 77, 85, 93, 97, 105, 111, 115, 123, 129, 137, 147, 153, 157, 163, 167, 173, 189, 195, 203, 207, 219, 223, 231, 239, 245, 253, 261, 265, 277, 281, 287, 291, 305, 319, 325, 329, 335, 343, 347, 359, 367, 375 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

FORMULA

a(n) = A014688(n) + n. - Zak Seidov, Nov 10 2013

PROG

(MAGMA) [ &+[(2*n+NthPrime(n))]: n in [1..1000] ]; // Vincenzo Librandi, Aug 01 2010

CROSSREFS

Cf. A078917, A014688.

Sequence in context: A172472 A134918 A310741 * A236771 A310742 A310743

Adjacent sequences:  A078913 A078914 A078915 * A078917 A078918 A078919

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Dec 13 2002

STATUS

approved

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Last modified September 20 05:51 EDT 2019. Contains 327212 sequences. (Running on oeis4.)