A074812 Smaller of 2 squares whose corresponding digits add to give 0 or 10 and neither square ends in 0's. (The smaller of two 10-complementary squares.)

1, 21609, 22801, 299209, 5446183447063166809

Offset

1,2

Links

Table of n, a(n) for n=1..5.

Contest Center, Digit puzzles

Example

a(2) = 21609 is the smaller of the square pair ( 21609, 89401 ), in which the corresponding digits add to 10 or 0.
1^2 = 1, 3^2=9

Crossrefs

Sequence in context: A221002 A190470 A113620 * A037160 A271021 A262818

Adjacent sequences: A074809 A074810 A074811 * A074813 A074814 A074815

Keyword

hard,nonn,base

Author

Sudipta Das (juitech(AT)vsnl.net), Sep 08 2002

Extensions

More terms from Frank Rubin (contestcen(AT)aol.com), Sep 16 2002

Status

approved