22475

Appears in sequences

• a(n) = (12*n+1)*(12*n+11).at n=12A001538
• Triangle T(n,k) of n X n binary matrices with k=0..n^2 ones under action of dihedral group of the square D_4.at n=41A054252
• Row sums of triangle A134480.at n=29A134481
• a(n) = 36*n^2 - n.at n=24A157286
• a(n) = 625*n^2 - 25.at n=5A157918
• a(n) = (n-5)*(n-6)*(n-7)*(n-16)/24.at n=28A167543
• Numbers m such that the sum of the first k odd primes = m-th odd prime.at n=24A179321
• Numbers n such that d(n-2) = d(n) = d(n+2) = 12 where d(n)=A000005(n).at n=17A190645
• S_7 sequence in partition of integers > 1 described in A240521.at n=12A240524
• Expansion of Product_{k>=1} ((1 + 2*x^k) * (1 + 3*x^k)).at n=15A266820
• Numbers k such that 8k+1, 12k+1 and 24k+1 are primes and the last two are also of the form x^2 + 27y^2, so the tetrahedral number T(24k+1) is a Fermat pseudoprime to base 2.at n=15A321867
• a(n) = A065176(n + 2) * n! * [x^n](exp(x) / (1 + cos(x))).at n=11A349204