A073831 - OEIS

A073831

Maximum of A073830(k) for k between A001359(n) and A001359(n+1).

8, 56, 182, 552, 1406, 2862, 4556, 9506, 10712, 17292, 19460, 30102, 32942, 37442, 49952, 54522, 69432, 77006, 94556, 113906, 167690, 177662, 209306, 259590, 317532, 352242, 376382, 398792, 427062, 636006, 658532, 678152

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OFFSET

1,1

COMMENTS

a(n) = A073830(A073832(n)); a(n) < A037074(n+2).

LINKS

Table of n, a(n) for n=1..32.

MAPLE

A073831 := proc(n)

A073830(A073832(n)) ;

end proc:

seq(A073831(n), n=1..50) ; # R. J. Mathar, Feb 21 2017

MATHEMATICA

f[n_] := Mod[4*((n - 1)! + 1) + n, n*(n + 2)];

pp = Select[Prime[Range[200]], PrimeQ[# + 2] & ];

a[n_] := Max[f /@ Range[pp[[n]], pp[[n + 1]]]];

Array[a, Length[pp] - 1] (* Jean-François Alcover, Feb 22 2018 *)

CROSSREFS

Sequence in context: A212817 A355948 A267522 * A168013 A003210 A135417

Adjacent sequences: A073828 A073829 A073830 * A073832 A073833 A073834

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Aug 12 2002

STATUS

approved