References to A000422

Concatenation of numbers from n down to 1.
1, 21, 321, 4321, 54321, 654321, 7654321, 87654321, 987654321, 10987654321

1 seqfan posts

Fri Oct 29 05:35:16 CEST 2010    [seqfan] Implementing first 500 sequences in Java
Index of A-numbers in seqfan: by ascending order    by month    by frequency    by keyword
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