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A282471
First differences of A282470.
1
0, 1, 8, 7, 24, 22, 40, 22, 80, 54, 80, 22, 80, 54, 112, 70, 240, 134, 144, 22, 80, 54, 112, 70, 240, 134, 176, 70, 240, 150, 336, 246, 720, 326, 272, 22, 80, 54, 112, 70, 240, 134, 176, 70, 240, 150, 336, 246, 720, 326, 304, 70, 240, 150, 336, 246, 720, 342, 464, 246, 752, 454, 1136, 838, 2064
OFFSET
0,3
FORMULA
a(2n) = 2*A187211(2n).
a(2n+1) = A187211(2n+1).
EXAMPLE
Written as an irregular triangle the sequence begins:
0;
1;
8;
7;
24;
22, 40;
22, 80, 54, 80;
22, 80, 54, 112, 70, 240, 134, 144;
22, 80, 54, 112, 70, 240, 134, 176, 70, 240, 150, 336, 246, 720, 326, 272;
22, 80, 54, 112, 70, 240, 134, 176, 70, 240, 150, 336, 246, 720, 326, 304, 70,...
...
Starting from a(3) = 7 the row lengths of triangle are the terms of A011782.
CROSSREFS
KEYWORD
nonn,tabf
AUTHOR
Omar E. Pol, Mar 17 2017
STATUS
approved