7247757313

Appears in sequences

• a(n) = (n-1)*2^n + 1.at n=28A000337
• a(n) = Sum{i=1..n} ( i*2^(i-1) ) - ( A002024(n)*(A002024(n)+1)/2 - n ) * 2^(A002024(n)-1).at n=27A135471