A027546 First column of A027537.

1, 3, 19, 201, 3131, 66883, 1866103, 65599089, 2826880471, 146161621491, 8911342572947, 631575190761529, 51412581787714291, 4758212302957048419, 496284340990942471471, 57890406722543923973985, 7501581827512345854197039, 1073456867163970189613750995

Offset

1,2

Links

Table of n, a(n) for n=1..18.

Formula

Numerators of sequence a[1, n] in A=(b[i, j])^2 where b[i, j] = A008292(i, j) / i! if j<=i, 0 if j>i.

Crossrefs

Sequence in context: A362968 A233336 A208897 * A301419 A201827 A230321

Adjacent sequences: A027543 A027544 A027545 * A027547 A027548 A027549

Keyword

nonn

Author

Olivier Gérard

Extensions

More terms from Sean A. Irvine, Nov 07 2019

Status

approved