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A231094 Smallest starting abundant number for n consecutive even abundant numbers. 0
12, 18, 100, 348, 2988, 801340, 221355126, 221355126, 895257140404 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..9.

EXAMPLE

a(6) = 801340 because 801340 is the starting abundant number for 6 consecutive even abundant numbers: 801340, 801342, 801344, 801346, 801348, 801350.

MATHEMATICA

k = 2; cnt = 0; Table[While[If[abunQ[k], cnt++, cnt = 0]; cnt < n, k = k + 2]; k = k + 2; k - 2*n, {n, 6}] (* T. D. Noe, Nov 04 2013 *)

CROSSREFS

Cf. A005101, A108926, A231086, A231088, A231089, A231090, A231092, A231093.

Sequence in context: A177426 A232384 A086301 * A258427 A166627 A018957

Adjacent sequences:  A231091 A231092 A231093 * A231095 A231096 A231097

KEYWORD

nonn,more,hard

AUTHOR

Shyam Sunder Gupta, Nov 03 2013

EXTENSIONS

a(9) from Donovan Johnson, Nov 07 2013

STATUS

approved

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Last modified May 7 15:48 EDT 2021. Contains 343651 sequences. (Running on oeis4.)