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| | Demo7 |
 | | Number of partitions of {1,...,n+1} into subsets of nonconsecutive integers, including the partition 12...n+1. |
 | | A. Munagi, k-Complementing Subsets of Nonnegative Integers, International Journal of Mathematics and Mathematical Sciences, 2005:2 (2005), 215-224. |
 | | K. Penson and J.-M. Sixdeniers, Integral Representations of Catalan and Related Numbers, J. Integer Sequences, 4 (2001), #01.2.5. |
| www.research.att.com /~njas/sequences/demo7.html (1652 words) |
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