19741

Appears in sequences

• a(n) = 16*n^2 + 4*n + 1.at n=35A082041
• Output of the linear congruential pseudo-random number generator used in function rand() as described in Kernighan and Ritchie, when seeded with 0.at n=7A096554
• Number of n X n binary arrays symmetric under 90 degree rotation with all ones connected only in a 1000-1100-0111-0010 pattern in any orientation.at n=14A147153
• E.g.f. A(x)=exp(x^6+3*x^5+4*x^4+3*x^3+2*x^2+x).at n=6A186859
• Number of (n+1)X(2+1) 0..1 arrays x(i,j) with row sums sum{j*x(i,j), j=1..2+1} nondecreasing, and column sums sum{i^2*x(i,j), i=1..n+1} nondecreasing.at n=8A233361
• Solution of the complementary equation a(n) = a(n-1) + a(n-2) + b(n-1) - b(n-2) - 1, where a(0) = 1, a(1) = 3, b(0) = 2, b(1) = 4.at n=19A294424
• Sum of the prime parts in the partitions of n into 5 parts.at n=42A309466
• Intersection of A002061 and A016105.at n=32A370519