148764

Appears in sequences

• Weight distribution of quadratic residue code of length 23 over GF(3).at n=17A112641
• G.f. satisfies: A(x) = 1 + x*A(x)^6/A(-x)^6.at n=6A143559
• Triangle of Generalized Runyon numbers R_{n,k}^(3) read by rows.at n=33A173020
• Monotonic ordering of set S generated by these rules: if x and y are in S then 2xy-x-y is in S, and 3 is in S.at n=30A192525
• Numbers n such that n and n^4 are sums of two twin primes.at n=21A212430
• Number of alternating permutations on 2n+1 letters that avoid a certain pattern of length 5 (see Lewis, 2012, Appendix, for precise definition).at n=5A217815