A224783 -id:A224783 - cp's OEIS frontend

A287705 a(n) = denominator(Bernoulli(n, x/2) - Bernoulli(n)).

1, 2, 4, 8, 16, 96, 64, 384, 768, 2560, 1024, 6144, 4096, 860160, 245760, 98304, 196608, 1966080, 1310720, 55050240, 22020096, 346030080, 62914560, 125829120, 251658240, 9160359936, 1409286144, 939524096, 268435456, 8053063680, 1073741824, 496068722688, 992137445376

Offset: 0

Peter Luschny, Aug 08 2017

nonn

Cf. A195441, A224783, A287706, A290645.

a := n -> denom(bernoulli(n, x/2)-bernoulli(n)): seq(a(i), i=0..39);

A287706 a(n) = denominator(Bernoulli(n, x/2) - Bernoulli(n, x)).

Original entry on oeis.org

1, 2, 4, 8, 16, 96, 64, 384, 256, 2560, 1024, 6144, 4096, 860160, 81920, 98304, 65536, 1966080, 1310720, 55050240, 7340032, 346030080, 20971520, 125829120, 16777216, 9160359936, 469762048, 134217728, 268435456, 8053063680, 1073741824, 496068722688, 330712481792

Offset: 0

Peter Luschny, Aug 08 2017

nonn

Cf. A195441, A224783, A287705, A290645.

a := n -> denom(bernoulli(n, x/2)-bernoulli(n, x)): seq(a(i), i=0..32);

A290645 a(n) = denominator(Bernoulli(n, x) - Bernoulli(n, 1/2)).

Original entry on oeis.org

1, 2, 4, 2, 16, 6, 64, 6, 768, 10, 1024, 6, 4096, 210, 245760, 6, 196608, 30, 1310720, 210, 22020096, 330, 62914560, 30, 251658240, 546, 1409286144, 14, 268435456, 30, 1073741824, 462, 992137445376, 3570, 1803886264320, 6, 68719476736, 51870, 375208342978560

Offset: 0

Peter Luschny, Aug 08 2017

nonn

Cf. A195441, A224783, A287705, A287706.

a := n -> denom(bernoulli(n, x)-bernoulli(n, 1/2)): seq(a(i), i=0..38);

cp's OEIS Frontend

A287705 a(n) = denominator(Bernoulli(n, x/2) - Bernoulli(n)).

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A287706 a(n) = denominator(Bernoulli(n, x/2) - Bernoulli(n, x)).

Views

Author

Keywords

Crossrefs

Programs

Maple

A290645 a(n) = denominator(Bernoulli(n, x) - Bernoulli(n, 1/2)).

Views

Author

Keywords

Crossrefs

Programs

Maple