login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A057046
Let R(i,j) be the rectangle with antidiagonals 1; 2,3; 4,5,6; ...; each k is an R(i(k),j(k)) and A057046(n)=i(2^n).
1
1, 1, 1, 2, 1, 4, 9, 8, 3, 16, 34, 32, 1, 64, 94, 128, 195, 256, 418, 512, 948, 1024, 2344, 2048, 688, 4096, 8544, 8192, 22591, 16384, 20854, 32768
OFFSET
0,4
CROSSREFS
Sequence in context: A077160 A228043 A262066 * A372327 A163547 A015943
KEYWORD
nonn
AUTHOR
Clark Kimberling, Jul 30 2000
STATUS
approved