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”).

A055371
Column 1 of triangle A055370.
1
1, -1, 1, -1, 0, 5, -18, 27, 67, -496, 496, 6963, -24246, -148002, 1138045, 3360042, -58828040, -33243252, 3312139446, -5235582541, -204462055464, 726496668085, 14922365946662, -84161948692035, -1310383972147810
OFFSET
1,6
CROSSREFS
Sequence in context: A078648 A364607 A035338 * A034098 A034108 A155450
KEYWORD
sign
AUTHOR
Christian G. Bower, May 16 2000
STATUS
approved

  NODES
orte 1
see 1
Story 1