Self-convolution 5th power equals A106222, which consists entirely of digits {0,1,2,3,4} after the initial terms {1,5}.

A106223

Self-convolution 5th power equals A106222, which consists entirely of digits {0,1,2,3,4} after the initial terms {1,5}.

Terms

    a(0) =1a(1) =1a(2) =-2a(3) =6a(4) =-21a(5) =80a(6) =-320a(7) =1326a(8) =-5637a(9) =24434a(10) =-107541a(11) =479192a(12) =-2157027a(13) =9792618a(14) =-44780207a(15) =206053429a(16) =-953296364a(17) =4431418833a(18) =-20686477329a(19) =96930426941a(20) =-455717114981

External references