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A056526 First differences of Flavius Josephus's sieve. 8
2, 4, 6, 6, 8, 12, 10, 14, 16, 12, 18, 24, 14, 34, 26, 16, 30, 36, 18, 42, 38, 12, 60, 22, 48, 38, 46, 36, 60, 54, 44, 36, 84, 22, 60, 84, 18, 78, 72, 60, 38, 112, 12, 96, 114, 26, 88, 92, 34, 90, 138, 26, 82, 98, 112, 54, 170, 36, 60, 168, 52, 128, 52, 128, 94, 108, 90, 188 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Also run lengths in A100617. - Reinhard Zumkeller, Jan 14 2015

LINKS

Klaus Brockhaus, Table of n, a(n) for n=1..10000

FORMULA

a(n)=A000960(n+1)-A000960(n)

EXAMPLE

Flavius's sieve starts 1,3,7,13,19,27,39,49 so first differences are 2,4,6,6,8,12,10.

PROG

(Haskell)

a056526 n = a056526_list !! (n-1)

a056526_list = zipWith (-) (tail a000960_list) a000960_list

-- Reinhard Zumkeller, Jan 14 2015

CROSSREFS

Cf. A000960 for definition, A139363 (records), A139364 (where records occur).

Cf. A100617, A250007.

Sequence in context: A260812 A003972 A023853 * A049066 A151688 A159276

Adjacent sequences:  A056523 A056524 A056525 * A056527 A056528 A056529

KEYWORD

nonn

AUTHOR

Henry Bottomley, Jun 16 2000

STATUS

approved

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Last modified October 14 14:35 EDT 2019. Contains 328019 sequences. (Running on oeis4.)