A070553 Rectangular array read by rows: n-th row gives the 7 numbers k*10^n mod 7 for 0 <= k < 7.

0, 1, 2, 3, 4, 5, 6, 0, 3, 6, 2, 5, 1, 4, 0, 2, 4, 6, 1, 3, 5, 0, 6, 5, 4, 3, 2, 1, 0, 4, 1, 5, 2, 6, 3, 0, 5, 3, 1, 6, 4, 2, 0, 1, 2, 3, 4, 5, 6, 0, 3, 6, 2, 5, 1, 4, 0, 2, 4, 6, 1, 3, 5, 0, 6, 5, 4, 3, 2, 1, 0, 4, 1, 5, 2, 6, 3, 0, 5, 3, 1, 6, 4, 2

Offset

1,3

Comments

Row n and rows n+6i are equal.

Links

Table of n, a(n) for n=1..84.

Example

Array begins:
0 1 2 3 4 5 6
0 3 6 2 5 1 4
0 2 4 6 1 3 5
0 6 5 4 3 2 1
0 4 1 5 2 6 3
0 5 3 1 6 4 2
...

Crossrefs

Sequence in context: A367842 A257847 A194757 * A204453 A275610 A195830

Adjacent sequences: A070550 A070551 A070552 * A070554 A070555 A070556

Keyword

nonn,easy,tabf

Author

Jon Perry, Jan 14 2003

Status

approved