A224292 -id:A224292 - cp's OEIS frontend

A224293 Number of permutations of length n containing exactly 1 occurrence of 1234 and 1 occurrence of 1243.

0, 0, 0, 0, 0, 2, 32, 322, 2634, 19216, 130662, 848284, 5334332, 32788726, 198201268, 1183152686, 6995479542, 41055940756, 239560353258, 1391435203864, 8052418072728, 46464481278410, 267483032264168, 1536914425518970, 8817393642571330

Offset: 1

Brian Nakamura, Apr 03 2013

nonn

B. Nakamura, Approaches for enumerating permutations with a prescribed number of occurrences of patterns, arXiv 1301.5080, 2013.

Cf. A006318, A224292.

# Programs can be obtained from author's personal website.

A224294 Number of permutations of length n containing exactly 2 occurrences of 1234 and 2 occurrences of 1243.

Original entry on oeis.org

0, 0, 0, 0, 0, 2, 34, 382, 3518, 28708, 216098, 1536960, 10488708, 69393216, 448301130, 2842611306, 17758399872, 109613418746, 669950441982, 4061411038376, 24453911859134, 146393798673526, 872121958672162, 5173931524573894, 30584965562156650

Offset: 1

Brian Nakamura, Apr 03 2013

nonn

B. Nakamura, Approaches for enumerating permutations with a prescribed number of occurrences of patterns, arXiv 1301.5080, 2013.

Cf. A006318, A224292, A224293.

# Programs can be obtained from author's personal website.

cp's OEIS Frontend

A224293 Number of permutations of length n containing exactly 1 occurrence of 1234 and 1 occurrence of 1243.

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