A176546 Bernoulli numerators A000367 with an additional 1 inserted to represent B_1.

1, 1, 1, -1, 1, -1, 5, -691, 7, -3617, 43867, -174611, 854513, -236364091, 8553103, -23749461029, 8615841276005, -7709321041217, 2577687858367, -26315271553053477373, 2929993913841559, -261082718496449122051

Offset

0,7

Comments

Equivalent to adding a 1 in front of A000367, or removing zeros in A164555.

(One could also remove zeros in A027641 which would flip the sign of a(1)).

The denominators are in A006954.

Links

Table of n, a(n) for n=0..21.

Example

B_0=1/1, B_1=1/2 "originally", B_2=1/6, B_4=-1/30, B_6=1/42,...

Crossrefs

Cf. A165908, A174276.

Sequence in context: A090947 A176840 A000367 * A092133 A274025 A281585

Adjacent sequences: A176543 A176544 A176545 * A176547 A176548 A176549

Keyword

less,sign,frac

Author

Paul Curtz, Apr 20 2010

Status

approved