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A143193 a(n) is the smallest natural number we cannot obtain from n, n+1, n+2, n+3, n+4, n+5, n+6, n+7, n+8 and the operators +, -, *, /, using each number only once. 1
7187, 38103, 54251, 114358, 168673, 264111, 319699, 456061, 588847, 812092, 1005321, 1222630, 445059, 499063, 600907, 706847, 820609, 929113, 1048137, 1269847, 1049291, 1113439, 1252843, 1411942, 1588841, 456206, 462382, 464357, 479894 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

This sequence is related to the sequences A071110 (for 5 successive integers) and A060316 (for 6 successive integers).

What is the asymptotic value of this sequence? What is the first n for which a(n) equals the asymptotic value?

LINKS

Gilles A. Fleury, Table of n, a(n) for n = 1..51

CROSSREFS

Cf. A071110, A060316, A071107, A060315, A141494, A142153.

Sequence in context: A237394 A028541 A159223 * A064979 A348807 A204480

Adjacent sequences:  A143190 A143191 A143192 * A143194 A143195 A143196

KEYWORD

nonn

AUTHOR

Gilles A.Fleury, Oct 18 2008

STATUS

approved

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Last modified August 8 14:52 EDT 2022. Contains 356009 sequences. (Running on oeis4.)