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A235539
Table with A235538 as first row, and k-th difference of A235538 as (k+1)-th row, read by antidiagonals.
3
1, 3, 2, 9, 6, 4, 26, 17, 11, 7, 5, -21, -38, -49, -56, 13, 8, 29, 67, 116, 172, 31, 18, 10, -19, -86, -202, -374, 15, -16, -34, -44, -25, 61, 263, 637, 27, 12, 28, 62, 106, 131, 70, -193, -830, 81, 54, 42, 14, -48, -154, -285, -355, -162, 668, 22, -59, -113
OFFSET
1,2
COMMENTS
All terms are distinct in absolute value.
FORMULA
T(1,n) = A235538(k) for any k>0.
T(n+1,k) = T(n,k+1) - T(n,k) for any n>0 and k>0.
EXAMPLE
The table begins:
+---+---+---+---+---+
| 1 | 3 | 9 | 26| 5 | ...
+-+-+-+-+-+-+-+-+-+-+
| 2 | 6 | 17|-21| ...
+-+-+-+-+-+-+-+-+
| 4 | 11|-38| ...
+-+-+-+-+-+-+
| 7 |-49| ...
+-+-+-+-+
|-56| ...
+---+
PROG
(Perl) See Link section.
CROSSREFS
Cf. A235538.
Sequence in context: A164279 A289053 A191539 * A191449 A175840 A125152
KEYWORD
sign,tabl
AUTHOR
Paul Tek, Jan 12 2014
STATUS
approved