A181225
Number of length 2n sequences p(i=0..2n-1) with 0<=p(i)<=i and having exactly n maxima.
Original entry on oeis.org
2, 3, 26, 476, 14905, 708825, 47514180, 4264132468, 493337571005, 71476985762027, 12673922434134249, 2699365743596908540, 679965250748621333815, 199945129785484988046467, 67870868805277105224767736, 26339649115669349922436689846, 11588494978121881119811952503395
Offset: 1
A181226
Number of length n sequences p(i=0..n-1) with 0<=p(i)<=i and having exactly 2 maxima.
Original entry on oeis.org
0, 0, 0, 3, 41, 383, 3073, 22835, 162517, 1127399, 7700835, 52118506, 350902046, 2356532130, 15813455692, 106160717591, 713555194577, 4804401287757, 32414156949765, 219174260505645, 1485378918978855, 10089794073161037
Offset: 1
A181227
Number of length n sequences p(i=0..n-1) with 0<=p(i)<=i and having exactly 3 maxima.
Original entry on oeis.org
0, 0, 0, 0, 0, 26, 702, 11734, 156976, 1847636, 20046784, 205891684, 2034977036, 19567350334, 184421027812, 1712803733352, 15736451922346, 143435108141199, 1299841823088167, 11730670902611152, 105559108929460026
Offset: 1
A181228
Number of length n sequences p(i=0..n-1) with 0<=p(i)<=i and having exactly 4 maxima.
Original entry on oeis.org
0, 0, 0, 0, 0, 0, 0, 476, 20956, 541960, 10783530, 183084580, 2796467584, 39641212284, 532014841490, 6852097042820, 85509456576162, 1041222110654522, 12436416067831144, 146290172122139436, 1700035652369320714
Offset: 1
Showing 1-4 of 4 results.
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