19972

Appears in sequences

• Expansion of 2*x*(6 +59*x +257*x^2 - 294*x^3 -128*x^4)/((1-x)*(1+x)*(1-2*x)*(1+3*x)*(1-4*x)).at n=5A120657
• Numbers n such that A = n + digitsum(n) is divisible by the highest power of 10 <= A.at n=29A242799
• Numbers n such that 1 + 46* Sum_{k=1..n} 100^(k-1) is prime.at n=16A254002
• Number of prime parts in the partitions of n into 10 parts.at n=41A309439
• Expansion of Product_{k>=1} 1/(1 - x^k)^(2^omega(k)), where omega(k) = number of distinct primes dividing k (A001221).at n=22A319130
• a(n) is the number of regions formed by n-secting the angles of a heptagon.at n=42A335757
• Positions of records in A336830.at n=22A362399
• Y-coordinates of the lower envelope of A373330.at n=10A373332
• Numbers k such that 5^k - 32 is prime.at n=5A386619