1,1
Cf. A051635, A054800-A054840.
Sequence in context: A054836 A054837 A054838 * A190928 A054840 A154091
Adjacent sequences: A054836 A054837 A054838 * A054840 A054841 A054842
nonn
Henry Bottomley (se16(AT)btinternet.com), Apr 10 2000