A133719 Column 4 of array in A133713.

1, 22, 226, 1371, 5901, 20097, 57813, 146427, 335742, 710677, 1408693, 2643004, 4732728, 8141238, 13524078, 21787914, 34162095, 52284504, 78303484, 114997729, 165916135, 235539711, 329467755, 454630605, 619531380, 834519231

Offset

2,2

Links

Table of n, a(n) for n=2..27.

Maple

A133719 := proc(l)
        A133713(l, 4) ;
end proc:
seq(A133719(l), l=2..30) ; # R. J. Mathar, Nov 23 2011

Crossrefs

Sequence in context: A008453 A290362 A121087 * A008948 A003909 A047647

Adjacent sequences: A133716 A133717 A133718 * A133720 A133721 A133722

Keyword

nonn

Author

N. J. A. Sloane, Dec 30 2007

Status

approved