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A092929 n-th partial arithmetic mean is equal to the n-th noncomposite number or to prime(n-1) for n>1. 2
1, 3, 5, 11, 15, 31, 25, 45, 35, 59, 89, 53, 109, 93, 71, 107, 149, 161, 97, 181, 151, 115, 211, 175, 233, 297, 205, 157, 219, 167, 233, 561, 259, 335, 207, 499, 223, 379, 391, 323, 413, 425, 265, 621, 281, 377, 291, 775, 799, 423, 329, 437, 551, 347, 791, 587 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

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

FORMULA

For n>=3: a(n) = n*A000040(n-1) - (n-1)*A000040(n-2). - Bob Selcoe, Nov 26 2015

CROSSREFS

Cf. A092930, A000040 (prime numbers).

Sequence in context: A032673 A164053 A200176 * A138879 A318915 A322439

Adjacent sequences:  A092926 A092927 A092928 * A092930 A092931 A092932

KEYWORD

easy,nonn

AUTHOR

Amarnath Murthy, Mar 19 2004

EXTENSIONS

More terms from Ray Chandler, Mar 23 2004

STATUS

approved

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Last modified May 30 04:15 EDT 2020. Contains 334710 sequences. (Running on oeis4.)