1,4
An inverse to A005670.
Ed Pegg, Jr., Mrs Perkin's Quilt
Cf. A005670, A089047.
Sequence in context: A127207 A173513 A147663 * A036811 A059185 A133948
Adjacent sequences: A089044 A089045 A089046 * A089048 A089049 A089050
nonn
R. K. Guy (rkg(AT)cpsc.ucalgary.ca), Dec 03 2003
More terms from Ed Pegg Jr (ed(AT)mathpuzzle.com), Dec 03 2003
Corrected and extended by Ed Pegg Jr (ed(AT)mathpuzzle.com), Apr 18 2010