A024809 a(n) = position of n^2 + (n+1)^2 + (n+2)^2 in A004432.

1, 4, 13, 26, 44, 69, 98, 137, 179, 227, 278, 338, 402, 470, 541, 622, 707, 796, 891, 991, 1097, 1206, 1320, 1443, 1569, 1697, 1834, 1974, 2120, 2269, 2423, 2585, 2752, 2923, 3099, 3280, 3467, 3658, 3853, 4056, 4261, 4473, 4689, 4911, 5136, 5366, 5602, 5844

Offset

1,2

Links

Table of n, a(n) for n=1..48.

Crossrefs

Sequence in context: A091823 A024834 A143867 * A212901 A049729 A189581

Adjacent sequences: A024806 A024807 A024808 * A024810 A024811 A024812

Keyword

nonn

Author

Clark Kimberling

Extensions

Corrected and extended by David W. Wilson May 15 1997

Status

approved