1,5

E. M. Wright, Rotatable partitions, J. London Math. Soc., 43 (1968), 501-505.

Sequence in context: A029017 A035371 A035577 this_sequence A035937 A020999 A079955

Adjacent sequences: A002720 A002721 A002722 this_sequence A002724 A002725 A002726

nonn

njas