A049825 a(n)=number of 4's in n-th row of array T given by A049816.

0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 2, 2, 0, 1, 0, 2, 0, 3, 3, 2, 2, 3, 1, 4, 2, 4, 2, 2, 4, 6, 4, 6, 3, 7, 3, 10, 2, 5, 6, 6, 5, 6, 7, 6, 7, 13, 8, 6, 5, 9, 10, 14, 3, 19, 10, 11, 8, 8, 7, 14, 8, 10, 9

Offset

1,18

Links

Table of n, a(n) for n=1..70.

Crossrefs

Sequence in context: A259976 A377415 A113685 * A287443 A039651 A264403

Adjacent sequences: A049822 A049823 A049824 * A049826 A049827 A049828

Keyword

nonn

Author

Clark Kimberling

Status

approved