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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 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

All terms are distinct in absolute value.

LINKS

Paul Tek, Table of n, a(n) for n = 1..5050

Paul Tek, PERL program for this sequence

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

Adjacent sequences:  A235536 A235537 A235538 * A235540 A235541 A235542

KEYWORD

sign,tabl

AUTHOR

Paul Tek, Jan 12 2014

STATUS

approved

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Last modified October 21 10:52 EDT 2021. Contains 348150 sequences. (Running on oeis4.)