A354979 Triangle read by rows. T(n, k) = |Stirling1(k + n, n)|.

1, 1, 1, 1, 3, 11, 1, 6, 35, 225, 1, 10, 85, 735, 6769, 1, 15, 175, 1960, 22449, 269325, 1, 21, 322, 4536, 63273, 902055, 13339535, 1, 28, 546, 9450, 157773, 2637558, 44990231, 790943153, 1, 36, 870, 18150, 357423, 6926634, 135036473, 2681453775, 54631129553

Offset

0,5

Links

Table of n, a(n) for n=0..44.

Example

[0] 1;
[1] 1,  1;
[2] 1,  3,  11;
[3] 1,  6,  35,   225;
[4] 1, 10,  85,   735,   6769;
[5] 1, 15, 175,  1960,  22449,  269325;
[6] 1, 21, 322,  4536,  63273,  902055,  13339535;
[7] 1, 28, 546,  9450, 157773, 2637558,  44990231,  790943153;
[8] 1, 36, 870, 18150, 357423, 6926634, 135036473, 2681453775, 54631129553;

Crossrefs

T(n, 1) = A000217, T(n, n) = A187646, A354980 (row sums), A132393.

Sequence in context: A051498 A092528 A069604 * A098332 A096663 A302120

Adjacent sequences: A354976 A354977 A354978 * A354980 A354981 A354982

Keyword

nonn,tabl

Author

Peter Luschny, Jun 15 2022

Status

approved