0,2
3n * 2^(n-1) - n + 1.
Sequence in context: A032199 A018413 A004662 * A084266 A052471 A037496
Adjacent sequences: A036539 A036540 A036541 * A036543 A036544 A036545
nonn
Clark Kimberling (ck6(AT)evansville.edu)