1,1

There is no further term up to 26*10^8.

2158803990 is in the sequence because sigma(2158803990)

=6951619584=7*993088512=7*reversal(2158803990).

Cf. A069216, A105324, A114928.

Sequence in context: A093791 A135430 A049025 this_sequence A117282 A076750 A083408

Adjacent sequences: A115745 A115746 A115747 this_sequence A115749 A115750 A115751

base,more,nonn

Farideh Firoozbakht (mymontain(AT)yahoo.com), Feb 12 2006