1,2

a(n) = {n^n + n^(n-1) -2}/(n-1)

Cf. A077385.

Sequence in context: A091635 A127676 A122940 this_sequence A004140 A032115 A054927

Adjacent sequences: A077383 A077384 A077385 this_sequence A077387 A077388 A077389

more,nonn

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 06 2002