63173

Appears in sequences

• Number of blobs with 2n+1 edges.at n=9A007166
• Graded dimension of the cohomology ring of the moduli space of n-pointed stable curves of genus 0 satisfying the associativity equations of physics (also known as the WDVV equations).at n=31A074060
• Graded dimension of the cohomology ring of the moduli space of n-pointed stable curves of genus 0 satisfying the associativity equations of physics (also known as the WDVV equations).at n=32A074060
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 00100-00100-11111 pattern in any orientation.at n=17A147001
• a(0) = 0, and for n > 0, (a(n)) gives the indices n for which d(n) < d(k) for k < n, where d is the difference sequence of (cos k + sin k).at n=22A299640