Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 4500 articles have referenced us, often saying "we would not have discovered this result without the OEIS".
Table of n, a(n) for n=1..36.
Sequence in context: A240775 A074730 A037050 * A119378 A261618 A084998
Adjacent sequences: A036306 A036307 A036308 * A036310 A036311 A036312
Patrick De Geest, Dec 15 1998.