A167206 Binomial transform of A164555.

1, 2, 4, 7, 10, 11, 8, 1, -6, -5, 16, 89, -348, -7747, -58764, -301959, -1226902, -4249557, -13125130, -36998357, -95306260, -219609123, -430081728, -623477651, -457458788, -3070156979, -61496380490, -630601717145, -4635893019708, -27904927526379

Offset

0,2

Comments

Binomial transform of the numerators of the Bernoulli number fractions A164555/A027642.

Links

Table of n, a(n) for n=0..29.

Maple

A164555 := proc(n) if n = 1 then -numer(bernoulli(n)) ; else numer(bernoulli(n)) ; end if; end proc:
read("transforms") : a164555 := [seq(A164555(n), n=0..50)] : BINOMIAL(a164555) ; # R. J. Mathar, Oct 31 2009

Crossrefs

Cf. A053223.

Sequence in context: A059186 A034702 A325745 * A053223 A153383 A278997

Adjacent sequences: A167203 A167204 A167205 * A167207 A167208 A167209

Keyword

sign

Author

Paul Curtz, Oct 30 2009

Extensions

Keyword:sign set, sequence extended by R. J. Mathar, Oct 31 2009

Status

approved