74781

Appears in sequences

• Nearest integer to log(n^n)^(1 + log(1 + log(1 + n))).at n=28A062452
• Number of permutations of length n which avoid the patterns 1234, 1432, 4231.at n=18A116804
• Rectangular table, read by antidiagonals, where row n is equal to column 2 of matrix power A121412^(n+1) for n>=0.at n=50A121428
• Number of subpartitions of partition P=[0,0,0,1,1,1,1,2,2,2,2,2,3,...], where P(n) = [(sqrt(8*n+25) - 5)/2].at n=29A121432
• Composite numbers n such that the sum of proper divisors of n divides 2^n+1.at n=21A278337