OFFSET

1,1

COMMENTS

I don't know how far it has been verified that there are no missing entries in this list.

REFERENCES

Abbott, H. L.; and Hare, D. R.; The set of values of b for which there exist block designs with b blocks. Discrete Math. 290 (2005), no. 2-3, 275-282.

CROSSREFS

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Jan 31 2012

STATUS

approved