A152953 a(n) = A136007(n)*(A136007(n)+1)/2.

6, 28, 496, 8128, 33550336, 8589869056, 137438691328, 2305843008139952128, 2658455991569831744654692615953842176, 14474011154664524427946373126085988481573677491474835889066354349131199152128

Offset

1,1

Comments

Different from A000396.

Links

Table of n, a(n) for n=1..10.

Crossrefs

Cf. A000396, A136007.

Sequence in context: A201186 A060286 A000396 * A066239 A097464 A354072

Adjacent sequences: A152950 A152951 A152952 * A152954 A152955 A152956

Keyword

nonn

Author

Omar E. Pol, Dec 15 2008

Status

approved