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A265182 Base-10 analog of Marko Riedel's A265008. 3
1, 0, 0, 0, 0, 0, 0, 0, 0, 3, 3, 5, 5, 5, 5, 5, 5, 5, 5, 0, 5, 0, 0, 1, 1, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 1, 0, 0, 1, 0, 5, 1, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,10

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 1..10000

MAPLE

F:= proc(n) local L, ss;

  L:= convert(n, base, 10);

  ss:= {seq(seq(add(10^(i-j)*L[i], i=j..k), j=1..k), k=1..nops(L))} minus {0};

  numboccur(true, [seq(seq(member(a*b, ss), a=ss), b=ss)]);

end proc:

seq(F(n), n=1..1000); # Robert Israel, Dec 06 2015

PROG

(Haskell)

a265182 n = length [() | let cs = dropWhile (== 0) $ a218978_row n, c <- cs,

            let as = takeWhile (<= c) cs, a <- as, b <- as, a * b == c]

-- Reinhard Zumkeller, Dec 05 2015

CROSSREFS

Cf. A265008, A265236.

See A265183 for the version where A, B, C may be zero.

Cf. A218978.

Sequence in context: A136027 A238371 A133772 * A251549 A129972 A130829

Adjacent sequences:  A265179 A265180 A265181 * A265183 A265184 A265185

KEYWORD

nonn,base

AUTHOR

N. J. A. Sloane, Dec 04 2015

EXTENSIONS

Corrected by Lars Blomberg, Dec 05 2015

STATUS

approved

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Last modified February 25 20:52 EST 2020. Contains 332258 sequences. (Running on oeis4.)