1,1
CRC Handbook of Combinatorial Designs, 1996, p. 315.
Sequence in context: A030325 A095947 A105135 this_sequence A020679 A103541 A029918
Adjacent sequences: A013571 A013572 A013573 this_sequence A013575 A013576 A013577
nonn
njas
Search completed in 0.002 seconds