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=1..100.
Sequence in context: A033666 A249337 A139124 * A103284 A071287 A072084
Adjacent sequences: A024157 A024158 A024159 * A024161 A024162 A024163