325441

Appears in sequences

• Partial sums of the central Delannoy numbers (A001850).at n=8A089165
• Left-hand half of triangle A297193.at n=44A297194
• T(j,k) are the numerators s in the representation R = s/t + (2/Pi)*u/v of the resistance between two nodes separated by the distance vector (j,k) in an infinite square lattice of one-ohm resistors, where T(j,k), j >= 0, 0 <= k <= j, is a triangle read by rows.at n=45A355565