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A100016 a(0) = 1; a(n+1) = a(n) * (next prime larger than a(n)) +0
1
1, 2, 6, 42, 1806, 3270666, 10697259354222, 114431357691543566765996394, 13094535623129987017538646614449662873664453962869814, 17146686318542023739239156436896750650162854365375317695893804412699750880843936\ 3294403869833497610468982 (list; graph; listen)
OFFSET

0,2

EXAMPLE

If n=1, then the prime immediately greater than n is 2. Hence the next number is n*p = 1*2 = 2.

If n=2, then the next prime is 3, so the next number in the sequence is 2*3=6.

If n=6, then the next prime is 7, so the next number in the sequence is 6*7=42

MATHEMATICA

a[0] = 1; a[n_] := a[n - 1]*NextPrime[a[n - 1]]; Table[ a[n], {n, 0, 9}] (from Robert G. Wilson v Nov 23 2004)

CROSSREFS

Similar to A074839

Sequence in context: A014117 A054377 A007018 this_sequence A000610 A023363 A091241

Adjacent sequences: A100013 A100014 A100015 this_sequence A100017 A100018 A100019

KEYWORD

nonn

AUTHOR

Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Nov 18 2004

EXTENSIONS

More terms from Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 23 2004

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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