A136428 - OEIS

A136428

First differences of A064770.

1, 0, 0, 1, 0, 0, 0, 0, 1, 7, 1, 0, 0, 1, 0, 0, 0, 0, 1, -3, 1, 0, 0, 1, 0, 0, 0, 0, 1, -3, 1, 0, 0, 1, 0, 0, 0, 0, 1, 7, 1, 0, 0, 1, 0, 0, 0, 0, 1, -3, 1, 0, 0, 1, 0, 0, 0, 0, 1, -3, 1, 0, 0, 1, 0, 0, 0, 0, 1, -3, 1, 0, 0, 1, 0, 0, 0, 0, 1, -3, 1, 0, 0, 1, 0, 0, 0, 0, 1, 7, 1, 0, 0, 1, 0, 0, 0, 0, 1, 67, 1, 0, 0, 1, 0, 0, 0, 0, 1, 7, 1, 0, 0, 1, 0, 0, 0, 0, 1, -3, 1, 0, 0, 1, 0

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OFFSET

0,10

COMMENTS

a(10*n+k) = 0 for k = 1, 2, 4, 5, 6, 7;

a(10*n+k) = 1 for k = 0, 3, 8;

a(100*n+10*k+9) = -3 for k = 1, 2, 4, 5, 6, 7;

a(100*n+10*k+9) = 7 for k = 0, 3, 8;

a(1000*n+100*k+99) = -33 for k = 1, 2, 4, 5, 6, 7;

a(1000*n+100*k+99) = 67 for k = 0, 3, 8.

LINKS

Reinhard Zumkeller, Table of n, a(n) for n = 0..9999