A396349 Antidiagonal sums of A396348.

1, 3, 3, 9, 5, 7, 13, 15, 9, 25, 11, 19, 15, 15, 25, 33, 27, 31, 27, 23, 21, 29, 39, 37, 27, 55, 51, 57, 29, 31, 73, 67, 33, 37, 35, 39, 59, 73, 39, 65, 71, 47, 45, 59, 69, 55, 51, 109, 51, 51, 51, 129, 93, 77, 81, 105, 89, 61, 75, 63, 109, 67, 63, 153, 65, 73, 101, 123, 69, 95

Offset

1,2

Links

Stefano Spezia, Table of n, a(n) for n = 1..10000

Mathematica

A396348[n_, k_]:=Prime[n]^IntegerExponent[k, Prime[n]]; a[n_]:=Sum[A396348[k, n-k+1], {k, n}]; Array[a, 70]

Crossrefs

Cf. A396348.

Sequence in context: A395953 A307379 A276147 * A394497 A300782 A104195

Adjacent sequences: A396346 A396347 A396348 * A396350 A396351 A396353

Keyword

nonn,look

Author

Stefano Spezia, May 23 2026

Status

approved