login
Palindromic product of some n with sum of next n consecutive integers.
1

%I #12 Oct 10 2019 03:56:17

%S 2,2664662,9826289,4128458548214

%N Palindromic product of some n with sum of next n consecutive integers.

%C Values of n see A037050.

%C a(5) > 7.5*10^37, if it exists. - _Giovanni Resta_, Aug 26 2019

%e 2664662 = 121 * (122 + 123 + ... + 241 + 242) = 121 * 22022.

%Y Cf. A036659, A037050.

%K nonn,base,hard,more

%O 1,1

%A _Patrick De Geest_, Jan 04 1999