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A158781
Triangle: A060187 with interspersed zeros.
0
1, 1, 0, 1, 1, 0, 6, 0, 1, 1, 0, 23, 0, 23, 0, 1, 1, 0, 76, 0, 230, 0, 76, 0, 1, 1, 0, 237, 0, 1682, 0, 1682, 0, 237, 0, 1, 1, 0, 722, 0, 10543, 0, 23548, 0, 10543, 0, 722, 0, 1, 1, 0, 2179, 0, 60657, 0, 259723, 0, 259723, 0, 60657, 0, 2179, 0, 1, 1, 0, 6552, 0, 331612, 0, 2485288
OFFSET
0,7
EXAMPLE
{1},
{1, 0, 1},
{1, 0, 6, 0, 1},
{1, 0, 23, 0, 23, 0, 1},
{1, 0, 76, 0, 230, 0, 76, 0, 1},
{1, 0, 237, 0, 1682, 0, 1682, 0, 237, 0, 1},
{1, 0, 722, 0, 10543, 0, 23548, 0, 10543, 0, 722, 0, 1},
...
CROSSREFS
Cf. A060187.
Sequence in context: A134899 A076413 A154305 * A293299 A293486 A195398
KEYWORD
nonn,tabf,less
AUTHOR
Roger L. Bagula, Mar 26 2009
STATUS
approved