32227

Appears in sequences

• a(n) = a(n-1) + a(n-2) + 1, with a(0)=3, a(1)=9.at n=18A022408
• Quasi-Carmichael numbers to base 7: squarefree composites n such that (n,2*3*5) = 1 and prime p|n ==> p-7|n-7.at n=5A029556
• Number of compositions of n in which the least part is odd.at n=15A103419
• Triangle T(n, k) = T(n-1, k) + T(n-1, k-1) + (2*j +7)*prime(j)*T(n-2, k-1) with j=10, read by rows.at n=37A153657
• Triangle T(n, k) = T(n-1, k) + T(n-1, k-1) + (2*j +7)*prime(j)*T(n-2, k-1) with j=10, read by rows.at n=43A153657
• Coefficients in the expansion of C/B^2, in Watson's notation of page 118.at n=21A160525