345345

Appears in sequences

• Degrees of irreducible representations of Conway group Co1.at n=12A003903
• a(n) = floor( binomial(n,8)/9).at n=28A011845
• Number of necklaces with 9 black beads and n-9 white beads.at n=20A032194
• a(n) = binomial(n+4,4)*(2*n+1).at n=19A051880
• a(n) = ceiling(binomial(n,9)/n).at n=28A053733
• Products of 6 distinct odd primes.at n=2A168352
• Number of aperiodic necklaces (Lyndon words) with 9 black beads and n white beads.at n=20A263318
• Number of maximal irredundant sets in the n-Andrásfai graph.at n=25A291053
• a(n) is the smallest k > n such that psi(k) is the arithmetic mean of psi(k - n) and psi(k + n), or 0 if no such k exists.at n=38A292307
• Terms of A363691 with a record number of divisors.at n=15A363693
• a(n) = binomial(A007310(n+1),n)/A007310(n+1).at n=9A367520
• Number of achiral polyominoes composed of n tetrahedral cells of the hyperbolic regular tiling with Schläfli symbol {3,3,oo}.at n=18A371351
• Odd abundant numbers that are also doublets (cf. A020338).at n=16A380232
• Number of subsets of 9 integers between 1 and n such that their sum is 3 modulo n.at n=19A381351