login
A134347
A007318^(-1) * A134346.
4
1, 2, 3, 2, 8, 7, 2, 12, 24, 15, 2, 16, 48, 64, 31, 2, 20, 80, 160, 160, 63, 2, 24, 120, 320, 480, 384, 127, 2, 28, 168, 560, 1120, 1344, 896, 255, 2, 32, 224, 896, 2240, 3584, 3584, 2048, 511, 2, 36, 288, 1344, 4032, 8064, 10752, 9216, 4608, 1023
OFFSET
0,2
FORMULA
Inverse binomial transform of A134346, as infinite lower triangular matrices.
Conjecture: T(n,k) = 2^(k+1)*binomial(n,k) for k < n; T(n,n) = 2^(n+1)-1. - Knud Werner, Jan 05 2022
EXAMPLE
First few rows of the triangle are:
1;
2, 3;
2, 8, 7;
2, 12, 24, 15;
2, 16, 48, 64, 31;
2, 20, 80, 160, 160, 63;
2, 24, 120, 320, 480, 384, 127;
...
CROSSREFS
Cf. A007318, A134346, A048473 (row sums).
Sequence in context: A187789 A245922 A098513 * A057761 A321477 A209998
KEYWORD
nonn,tabl
AUTHOR
Gary W. Adamson, Oct 21 2007
STATUS
approved