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A339331
Sums of antidiagonals in A283682.
1
0, 2, 4, 6, 10, 12, 14, 18, 22, 24, 28, 32, 36, 40, 44, 46, 52, 56, 60, 66, 68, 70, 74, 80, 84, 90, 94, 96, 100, 104, 108, 114, 120, 124, 128, 132, 136, 142, 146, 150, 158, 162, 166, 172, 176, 178, 184, 190, 194, 200, 206, 210, 216, 222, 224, 228, 232, 238
OFFSET
1,2
FORMULA
a(n) = 2 * Sum_{k = 1..n} A283682(k).
PROG
(PARI) See Links section.
CROSSREFS
Cf. A283682.
Sequence in context: A256773 A141104 A047410 * A255056 A164875 A301646
KEYWORD
nonn
AUTHOR
Rémy Sigrist, Nov 30 2020
STATUS
approved