1,1
J. N. Ridley and M. E. Mays, Compositions of unions of graphs, Fib. Quart. 42 (2004), 222-230.
Table of n, a(n) for n=1..4.
Sequence in context: A156494 A232371 A114878 * A108808 A358568 A139112
Adjacent sequences: A131356 A131357 A131358 * A131360 A131361 A131362
dead
approved