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A141102 a(n) = prime(2^n) - n^2. 0
2, 3, 10, 37, 106, 275, 670, 1555, 3590, 8061, 17742, 38729, 83848, 180307, 385868, 821385, 1742248, 3680807, 7753716, 16289647, 34135588, 71378085, 148947610, 310247665 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
EXAMPLE
a(1) = prime(2^1) - 1^2 = prime(2) - 1 = 3 - 1 = 2;
a(4) = prime(2^4) - 4^2 = prime(16) - 16 = 53 - 16 = 37.
MAPLE
seq(ithprime(2^n)-n^2, n=1..24); # Emeric Deutsch, Aug 07 2008
CROSSREFS
Cf. A033844 (prime(2^n)).
Sequence in context: A060604 A075890 A296269 * A144720 A164933 A003048
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected and extended by Emeric Deutsch, Aug 07 2008
STATUS
approved

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Last modified June 15 03:12 EDT 2024. Contains 373402 sequences. (Running on oeis4.)