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A103252 Array A000292(n)*A000217(k), read by antidiagonals. 0
1, 4, 3, 10, 12, 6, 20, 30, 24, 10, 35, 60, 60, 40, 15, 56, 105, 120, 100, 60, 21, 84, 168, 210, 200, 150, 84, 28, 120, 252, 336, 350, 300, 210, 112, 36, 165, 360, 504, 560, 525, 420, 280, 144, 45 (list; table; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..45.

EXAMPLE

Array begins

   1,   3,   6,  10,  15,  21,  28,   36,   45,   55, ...

   4,  12,  24,  40,  60,  84, 112,  144,  180,  220, ...

  10,  30,  60, 100, 150, 210, 280,  360,  450,  550, ...

  20,  60, 120, 200, 300, 420, 560,  720,  900, 1100, ...

  35, 105, 210, 350, 525, 735, 980, 1260, 1575, 1925, ...

  ...

CROSSREFS

Cf. A000579 (antidiagonal sums).

Sequence in context: A299325 A316196 A081617 * A065763 A185730 A205965

Adjacent sequences:  A103249 A103250 A103251 * A103253 A103254 A103255

KEYWORD

nonn,tabl,easy

AUTHOR

Gary W. Adamson, Mar 20 2005

STATUS

approved

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Last modified July 2 07:50 EDT 2022. Contains 354985 sequences. (Running on oeis4.)