id:A065542 - OEIS Search Results

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a(n) is smallest prime > 7*a(n-1), a(1) = 7.

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7, 53, 373, 2617, 18329, 128311, 898181, 6287273, 44010929, 308076523, 2156535743, 15095750209, 105670251529, 739691760707, 5177842324987, 36244896274921, 253714273924549, 1775999917471859, 12431999422303051 (list; graph; listen)

	OFFSET	`1,1`
	MATHEMATICA	`NextPrim[n_Integer] := Block[ {k = n + 1}, While[ !PrimeQ[k], k++ ]; Return[k]]; a[1] = 7; a[n_] := NextPrim[ 7*a[n - 1]]; Table[ a[n], {n, 1, 20} ]`
	CROSSREFS	`Sequence in context: A162233 A141911 A056590 this_sequence A015561 A133588 A163306` `Adjacent sequences: A065539 A065540 A065541 this_sequence A065543 A065544 A065545`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Nov 28 2001`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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