42714

Appears in sequences

• Numbers k such that 205*2^k+1 is prime.at n=18A032479
• a(n) = n(n+7)(n+1)(n^2+2n+12)/120.at n=19A051746
• Poincaré series [or Poincare series] P(C_{4,2}(0); t).at n=21A124637
• a(0) = 2, a(1) = 2, and for n > 1, a(n) = a(n-1) + a((a(n-1) - 1) mod n).at n=34A145465
• Number of reduced words of length n in Coxeter group on 3 generators S_i with relations (S_i)^2 = (S_i S_j)^4 = I.at n=18A162920
• a(n) = n*(n + 1)*(4*n + 5)/2.at n=27A281381
• Number of ways to write n as an ordered sum of 7 primes (counting 1 as a prime).at n=29A341986
• Primitive terms of A108569.at n=25A346277
• a(n) = Sum_{k=0..floor(n/3)} binomial(5*n-3*k-1,n-3*k).at n=5A371772