1,2

Earl Glen Whitehead, Jr., Four-discordant permutations, J. Austral. Math. Soc. Ser. A 28 (1979), no. 3, 369-377.

Adjacent sequences: A005774 A005775 A005776 this_sequence A005778 A005779 A005780

Sequence in context: A121584 A059227 A081103 this_sequence A001563 A094304 A094258

nonn

njas