A065543 a(n) is smallest prime > 11*a(n-1), a(1) = 11.

11, 127, 1399, 15391, 169307, 1862381, 20486203, 225348257, 2478830833, 27267139177, 299938530953, 3299323840567, 36292562246243, 399218184708683, 4391400031795559, 48305400349751191, 531359403847263197

Offset

1,1

Links

Table of n, a(n) for n=1..17.

Mathematica

NextPrim[n_Integer] := Block[ {k = n + 1}, While[ !PrimeQ[k], k++ ]; Return[k]]; a[1] = 11; a[n_] := NextPrim[ 11*a[n - 1]]; Table[ a[n], {n, 1, 20} ]

Crossrefs

Sequence in context: A069599 A053546 A084975 * A015598 A363111 A181012

Adjacent sequences: A065540 A065541 A065542 * A065544 A065545 A065546

Keyword

nonn

Author

Robert G. Wilson v, Nov 28 2001

Status

approved