A332679
a(n) = (-1)^n * n! * Laguerre(n, 4*n).
Original entry on oeis.org
1, 3, 34, 642, 16920, 571880, 23577552, 1147008912, 64304389504, 4081584090240, 289302692908800, 22648001532831488, 1940655970832219136, 180654087647513945088, 18153823412468554639360, 1958590905998560664832000, 225799980396482832660529152, 27702168947661388727726931968
Offset: 0
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Table[(-1)^n*n!*LaguerreL[n, 4*n], {n, 0, 20}]
Join[{1}, Table[n! * Sum[(-1)^(n-k) * Binomial[n, k] * (4*n)^k/k!, {k, 0, n}], {n, 1, 20}]]
Table[(-1)^n*n!*Hypergeometric1F1[-n, 1, 4*n], {n, 0, 20}]
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a(n) = (-1)^n*n!*pollaguerre(n, 0, 4*n); \\ Michel Marcus, Feb 05 2021
A332692
a(n) = n! * Laguerre(n, 2*n).
Original entry on oeis.org
1, -1, 2, 6, -232, 4120, -61488, 740432, -3220096, -224705664, 11713068800, -397487915264, 10466018491392, -176186211195904, -2178925657151488, 399827849856768000, -24748326426744881152, 1112888620945558700032, -36293785214959525625856, 408738923015995616067584
Offset: 0
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Table[n! * LaguerreL[n, 2*n], {n, 0, 25}]
Flatten[{1, Table[n!*Sum[Binomial[n, k] * (-1)^k * 2^k * n^k / k!, {k, 0, n}], {n, 1, 25}]}]
Table[n! * Hypergeometric1F1[-n, 1, 2*n], {n, 0, 25}]
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a(n) = n!*pollaguerre(n, 0, 2*n); \\ Michel Marcus, Feb 05 2021
A332693
a(n) = n! * Laguerre(n, 3*n).
Original entry on oeis.org
1, -2, 14, -156, 2328, -42630, 902736, -20961864, 497925504, -10347816906, 54902188800, 15803663268492, -1741565563831296, 146556727320337074, -11551833579195721728, 901051402625901468000, -71007771313742983888896, 5701873713553516375488366, -467924697090124685492944896
Offset: 0
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Table[n! * LaguerreL[n, 3*n], {n, 0, 25}]
Flatten[{1, Table[n!*Sum[Binomial[n, k] * (-1)^k * 3^k * n^k / k!, {k, 0, n}], {n, 1, 25}]}]
Table[n! * Hypergeometric1F1[-n, 1, 3*n], {n, 0, 25}]
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a(n) = n!*pollaguerre(n, 0, 3*n); \\ Michel Marcus, Feb 05 2021
A332695
a(n) = (-1)^n * n! * Laguerre(n, 6*n).
Original entry on oeis.org
1, 5, 98, 3234, 149784, 8927880, 650696400, 56061791856, 5574017768832, 628158472212096, 79123082415148800, 11015976349601752320, 1679832851707998600192, 278440504042352431942656, 49846084962712218734045184, 9584526091509128369970432000, 1970059291620925696814892810240
Offset: 0
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Table[(-1)^n * n! * LaguerreL[n, 6*n], {n, 0, 20}]
Flatten[{1, Table[n!*Sum[Binomial[n, k] * (-1)^(n-k) * 6^k * n^k / k!, {k, 0, n}], {n, 1, 20}]}]
Table[(-1)^n * n! * Hypergeometric1F1[-n, 1, 6*n], {n, 0, 20}]
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a(n) = (-1)^n*n!*pollaguerre(n, 0, 6*n); \\ Michel Marcus, Feb 05 2021
Showing 1-4 of 4 results.
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