Annual Appeal: Please make a donation (tax deductible in USA) to keep the OEIS running. Over 5000 articles have referenced us, often saying "we discovered this result with the help of the OEIS".
Table of n, a(n) for n=0..36.
Sequence in context: A045672 A072473 A072715 * A072511 A156324 A082645
Adjacent sequences: A049618 A049619 A049620 * A049622 A049623 A049624